CompareInfo.Compare Méthode

Définition

Compare deux chaînes.Compares two strings.

Surcharges

Compare(String, String)

Compare deux chaînes.Compares two strings.

Compare(String, String, CompareOptions)

Compare deux chaînes à l'aide de la valeur CompareOptions spécifiée.Compares two strings using the specified CompareOptions value.

Compare(String, Int32, String, Int32)

Compare la section finale d'une chaîne à la section finale d'une autre chaîne.Compares the end section of a string with the end section of another string.

Compare(String, Int32, String, Int32, CompareOptions)

Compare la section finale d'une chaîne avec celle d'une autre chaîne à l'aide de la valeur CompareOptions spécifiée.Compares the end section of a string with the end section of another string using the specified CompareOptions value.

Compare(String, Int32, Int32, String, Int32, Int32)

Compare la section d'une chaîne avec celle d'une autre chaîne.Compares a section of one string with a section of another string.

Compare(String, Int32, Int32, String, Int32, Int32, CompareOptions)

Compare une section d'une chaîne avec une section d'une autre chaîne à l'aide de la valeur CompareOptions spécifiée.Compares a section of one string with a section of another string using the specified CompareOptions value.

Compare(String, String)

Compare deux chaînes.Compares two strings.

public:
 virtual int Compare(System::String ^ string1, System::String ^ string2);
public virtual int Compare (string string1, string string2);
abstract member Compare : string * string -> int
override this.Compare : string * string -> int
Public Overridable Function Compare (string1 As String, string2 As String) As Integer

Paramètres

string1
String

Première chaîne à comparer.The first string to compare.

string2
String

Deuxième chaîne à comparer.The second string to compare.

Retours

Entier signé 32 bits qui indique la relation lexicale entre les deux comparateurs.A 32-bit signed integer indicating the lexical relationship between the two comparands.

ValueValue ConditionCondition
zérozero Les deux chaînes sont égales.The two strings are equal.
inférieure à zéroless than zero string1 est inférieur à string2.string1 is less than string2.
supérieure à zérogreater than zero string1 est supérieur à string2.string1 is greater than string2.

Exemples

L’exemple suivant compare des parties de deux chaînes à l' CompareInfo aide des différents objets:The following example compares portions of two strings using the different CompareInfo objects:

// The following code example compares two strings using the different CompareInfo instances:
//    a CompareInfo instance associated with the S"Spanish - Spain" culture with international sort,
//    a CompareInfo instance associated with the S"Spanish - Spain" culture with traditional sort, and
//    a CompareInfo instance associated with the InvariantCulture.
using namespace System;
using namespace System::Globalization;
int main()
{
   
   // Defines the strings to compare.
   String^ myStr1 = "calle";
   String^ myStr2 = "calor";
   
   // Uses GetCompareInfo to create the CompareInfo that 
   // uses the S"es-ES" culture with international sort.
   CompareInfo^ myCompIntl = CompareInfo::GetCompareInfo( "es-ES" );
   
   // Uses GetCompareInfo to create the CompareInfo that 
   // uses the S"es-ES" culture with traditional sort.
   CompareInfo^ myCompTrad = CompareInfo::GetCompareInfo( 0x040A );
   
   // Uses the CompareInfo property of the InvariantCulture.
   CompareInfo^ myCompInva = CultureInfo::InvariantCulture->CompareInfo;
   
   // Compares two strings using myCompIntl.
   Console::WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1, myStr2 );
   Console::WriteLine( "   With myCompIntl::Compare: {0}", myCompIntl->Compare( myStr1, myStr2 ) );
   Console::WriteLine( "   With myCompTrad::Compare: {0}", myCompTrad->Compare( myStr1, myStr2 ) );
   Console::WriteLine( "   With myCompInva::Compare: {0}", myCompInva->Compare( myStr1, myStr2 ) );
}

/*
This code produces the following output.

Comparing "calle" and "calor"
   With myCompIntl::Compare: -1
   With myCompTrad::Compare: 1
   With myCompInva::Compare: -1
*/
// The following code example compares two strings using the different CompareInfo instances:
//    a CompareInfo instance associated with the "Spanish - Spain" culture with international sort,
//    a CompareInfo instance associated with the "Spanish - Spain" culture with traditional sort, and
//    a CompareInfo instance associated with the InvariantCulture.

using System;
using System.Globalization;

public class SamplesCompareInfo  {

   public static void Main()  {

      // Defines the strings to compare.
      String myStr1 = "calle";
      String myStr2 = "calor";

      // Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with international sort.
      CompareInfo myCompIntl = CompareInfo.GetCompareInfo( "es-ES" );
      
      // Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with traditional sort.
      CompareInfo myCompTrad = CompareInfo.GetCompareInfo( 0x040A );

      // Uses the CompareInfo property of the InvariantCulture.
      CompareInfo myCompInva = CultureInfo.InvariantCulture.CompareInfo;

      // Compares two strings using myCompIntl.
      Console.WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1, myStr2 );
      Console.WriteLine( "   With myCompIntl.Compare: {0}", myCompIntl.Compare( myStr1, myStr2 ) );
      Console.WriteLine( "   With myCompTrad.Compare: {0}", myCompTrad.Compare( myStr1, myStr2 ) );
      Console.WriteLine( "   With myCompInva.Compare: {0}", myCompInva.Compare( myStr1, myStr2 ) );

   }

}


/*
This code produces the following output.

Comparing "calle" and "calor"
   With myCompIntl.Compare: -1
   With myCompTrad.Compare: 1
   With myCompInva.Compare: -1

*/
' The following code example compares two strings using the different CompareInfo instances:
'    a CompareInfo instance associated with the "Spanish - Spain" culture with international sort,
'    a CompareInfo instance associated with the "Spanish - Spain" culture with traditional sort, and
'    a CompareInfo instance associated with the InvariantCulture.

Imports System.Globalization

Public Class SamplesCompareInfo

   Public Shared Sub Main()

      ' Defines the strings to compare.
      Dim myStr1 As [String] = "calle"
      Dim myStr2 As [String] = "calor"

      ' Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with international sort.
      Dim myCompIntl As CompareInfo = CompareInfo.GetCompareInfo("es-ES")

      ' Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with traditional sort.
      Dim myCompTrad As CompareInfo = CompareInfo.GetCompareInfo(&H40A)

      ' Uses the CompareInfo property of the InvariantCulture.
      Dim myCompInva As CompareInfo = CultureInfo.InvariantCulture.CompareInfo

      ' Compares two strings using myCompIntl.
      Console.WriteLine("Comparing ""{0}"" and ""{1}""", myStr1, myStr2)
      Console.WriteLine("   With myCompIntl.Compare: {0}", myCompIntl.Compare(myStr1, myStr2))
      Console.WriteLine("   With myCompTrad.Compare: {0}", myCompTrad.Compare(myStr1, myStr2))
      Console.WriteLine("   With myCompInva.Compare: {0}", myCompInva.Compare(myStr1, myStr2))

   End Sub

End Class


'This code produces the following output.
'
'Comparing "calle" and "calor"
'   With myCompIntl.Compare: -1
'   With myCompTrad.Compare: 1
'   With myCompInva.Compare: -1

L'exemple suivant montre l'appel à la méthode Compare.The following example demonstrates calling the Compare method.

using namespace System;
using namespace System::Text;
using namespace System::Globalization;

int main()
{
    array<String^>^ sign = gcnew array<String^> { "<", "=", ">" };

    // The code below demonstrates how strings compare
    // differently for different cultures.
    String^ s1 = "Coté"; 
    String^ s2 = "coté";
    String^ s3 = "côte";

    // Set sort order of strings for French in France.
    CompareInfo^ ci = (gcnew CultureInfo("fr-FR"))->CompareInfo;
    Console::WriteLine(L"The LCID for {0} is {1}.", ci->Name, ci->LCID);

    // Display the result using fr-FR Compare of Coté = coté.
    Console::WriteLine(L"fr-FR Compare: {0} {2} {1}",
        s1, s2, sign[ci->Compare(s1, s2, CompareOptions::IgnoreCase) + 1]);

    // Display the result using fr-FR Compare of coté > côte.
    Console::WriteLine(L"fr-FR Compare: {0} {2} {1}",
        s2, s3, sign[ci->Compare(s2, s3, CompareOptions::None) + 1]);

    // Set sort order of strings for Japanese as spoken in Japan.
    ci = (gcnew CultureInfo("ja-JP"))->CompareInfo;
    Console::WriteLine(L"The LCID for {0} is {1}.", ci->Name, ci->LCID);

    // Display the result using ja-JP Compare of coté < côte.
    Console::WriteLine("ja-JP Compare: {0} {2} {1}",
        s2, s3, sign[ci->Compare(s2, s3) + 1]);
}

// This code produces the following output.
//
// The LCID for fr-FR is 1036.
// fr-FR Compare: Coté = coté
// fr-FR Compare: coté > côte
// The LCID for ja-JP is 1041.
// ja-JP Compare: coté < côte
using System;
using System.Text;
using System.Globalization;

public sealed class App
{
    static void Main(string[] args)
    {
        String[] sign = new String[] { "<", "=", ">" };

        // The code below demonstrates how strings compare 
        // differently for different cultures.
        String s1 = "Coté", s2 = "coté", s3 = "côte";

        // Set sort order of strings for French in France.
        CompareInfo ci = new CultureInfo("fr-FR").CompareInfo;
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID);
      
        // Display the result using fr-FR Compare of Coté = coté.  	
        Console.WriteLine("fr-FR Compare: {0} {2} {1}",
            s1, s2, sign[ci.Compare(s1, s2, CompareOptions.IgnoreCase) + 1]);

        // Display the result using fr-FR Compare of coté > côte.
        Console.WriteLine("fr-FR Compare: {0} {2} {1}",
            s2, s3, sign[ci.Compare(s2, s3, CompareOptions.None) + 1]);

        // Set sort order of strings for Japanese as spoken in Japan.
        ci = new CultureInfo("ja-JP").CompareInfo;
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID);

        // Display the result using ja-JP Compare of coté < côte. 
        Console.WriteLine("ja-JP Compare: {0} {2} {1}",
            s2, s3, sign[ci.Compare(s2, s3) + 1]);
    }
}

// This code produces the following output.
// 
// The LCID for fr-FR is 1036.
// fr-FR Compare: Coté = coté
// fr-FR Compare: coté > côte
// The LCID for ja-JP is 1041.
// ja-JP Compare: coté < côte
Imports System.Text
Imports System.Globalization

NotInheritable Public Class App
    Shared Sub Main(ByVal args() As String) 
        Dim sign() As String = {"<", "=", ">"}
        
        ' The code below demonstrates how strings compare 
        ' differently for different cultures.
        Dim s1 As String = "Coté"
        Dim s2 As String = "coté"
        Dim s3 As String = "côte"
        
        ' Set sort order of strings for French in France.
        Dim ci As CompareInfo = New CultureInfo("fr-FR").CompareInfo
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID)
        
        ' Display the result using fr-FR Compare of Coté = coté.  	
        Console.WriteLine("fr-FR Compare: {0} {2} {1}", _
                          s1, s2, sign((ci.Compare(s1, s2, CompareOptions.IgnoreCase) + 1)))
        
        ' Display the result using fr-FR Compare of coté > côte.
        Console.WriteLine("fr-FR Compare: {0} {2} {1}", _
                          s2, s3, sign((ci.Compare(s2, s3, CompareOptions.None) + 1)))
        
        ' Set sort order of strings for Japanese as spoken in Japan.
        ci = New CultureInfo("ja-JP").CompareInfo
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID)
        
        ' Display the result using ja-JP Compare of coté < côte. 
        Console.WriteLine("ja-JP Compare: {0} {2} {1}", _
                          s2, s3, sign((ci.Compare(s2, s3) + 1)))
    End Sub
End Class

' This code produces the following output.
' 
' The LCID for fr-FR is 1036.
' fr-FR Compare: Coté = coté
' fr-FR Compare: coté > côte
' The LCID for ja-JP is 1041.
' ja-JP Compare: coté < côte

Remarques

Par défaut, la comparaison est effectuée à l' CompareOptions.Noneaide de.By default, the comparison is performed by using CompareOptions.None. Si une décision de sécurité dépend d’une comparaison de chaînes ou d’un changement de casse, InvariantCulture vous devez utiliser la propriété pour vous assurer que le comportement est cohérent, quels que soient les paramètres de culture du système d’exploitation.If a security decision depends on a string comparison or a case change, you should use the InvariantCulture property to ensure that the behavior is consistent regardless of the culture settings of the operating system.

Notes

Lorsque cela est possible, vous devez appeler des méthodes de comparaison de chaînes qui CompareOptions ont un paramètre de type pour spécifier le type de comparaison attendu.When possible, you should call string comparison methods that have a parameter of type CompareOptions to specify the kind of comparison expected. En règle générale, utilisez les options linguistiques (à l’aide de la culture actuelle) pour comparer les chaînes affichées dans l' Ordinal interface OrdinalIgnoreCase utilisateur et spécifiez ou pour les comparaisons de sécurité.As a general rule, use linguistic options (using the current culture) for comparing strings displayed in the user interface and specify Ordinal or OrdinalIgnoreCase for security comparisons.

Notes pour les appelants

Les jeux de caractères incluent les caractères ignorables, à savoir les caractères qui ne sont pas considérés lors de l'exécution d'une comparaison linguistique ou dépendante de la culture.Character sets include ignorable characters, which are characters that are not considered when performing a linguistic or culture-sensitive comparison. La Compare(String, String) méthode ne prend pas en compte ces caractères lorsqu’elle effectue une comparaison dépendante de la culture.The Compare(String, String) method does not consider such characters when it performs a culture-sensitive comparison. Par exemple, une comparaison dépendante de la culture de «animal» avec «Ani-mal» (à l’aide d’un trait d’union conditionnel ou de U + 00AD) indique que les deux chaînes sont équivalentes, comme le montre l’exemple suivant.For instance, a culture-sensitive comparison of "animal" with "ani-mal" (using a soft hyphen, or U+00AD) indicates that the two strings are equivalent, as the following example shows.

[!code-vbSystem.Globalization.CompareInfo.Compare#1][!code-vbSystem.Globalization.CompareInfo.Compare#1]

Pour reconnaître les caractères pouvant être ignorés dans une comparaison de Compare(String, String, CompareOptions) chaînes, appelez la méthode et fournissez OrdinalIgnoreCase une valeur options Ordinal de ou pour le paramètre.To recognize ignorable characters in a string comparison, call the Compare(String, String, CompareOptions) method and supply a value of either Ordinal or OrdinalIgnoreCase for the options parameter.

Compare(String, String, CompareOptions)

Compare deux chaînes à l'aide de la valeur CompareOptions spécifiée.Compares two strings using the specified CompareOptions value.

public:
 virtual int Compare(System::String ^ string1, System::String ^ string2, System::Globalization::CompareOptions options);
public virtual int Compare (string string1, string string2, System.Globalization.CompareOptions options);
abstract member Compare : string * string * System.Globalization.CompareOptions -> int
override this.Compare : string * string * System.Globalization.CompareOptions -> int
Public Overridable Function Compare (string1 As String, string2 As String, options As CompareOptions) As Integer

Paramètres

string1
String

Première chaîne à comparer.The first string to compare.

string2
String

Deuxième chaîne à comparer.The second string to compare.

options
CompareOptions

Valeur qui définit le mode de comparaison de string1 et string2.A value that defines how string1 and string2 should be compared. options représente la valeur d'énumération Ordinal ou une combinaison d'opérations de bits d'une ou de plusieurs des valeurs suivantes : IgnoreCase, IgnoreSymbols, IgnoreNonSpace, IgnoreWidth, IgnoreKanaType et StringSort.options is either the enumeration value Ordinal, or a bitwise combination of one or more of the following values: IgnoreCase, IgnoreSymbols, IgnoreNonSpace, IgnoreWidth, IgnoreKanaType, and StringSort.

Retours

Entier signé 32 bits qui indique la relation lexicale entre les deux comparateurs.A 32-bit signed integer indicating the lexical relationship between the two comparands.

ValueValue ConditionCondition
zérozero Les deux chaînes sont égales.The two strings are equal.
inférieure à zéroless than zero string1 est inférieur à string2.string1 is less than string2.
supérieure à zérogreater than zero string1 est supérieur à string2.string1 is greater than string2.

Exceptions

options contient une valeur CompareOptions non valide.options contains an invalid CompareOptions value.

Exemples

L’exemple suivant compare deux chaînes à l' CompareOptions aide de différents paramètres.The following example compares two strings using different CompareOptions settings.

using namespace System;
using namespace System::Globalization;
int main()
{
   
   // Defines the strings to compare.
   String^ myStr1 = "My Uncle Bill's clients";
   String^ myStr2 = "My uncle bills clients";
   
   // Creates a CompareInfo which uses the InvariantCulture.
   CompareInfo^ myComp = CultureInfo::InvariantCulture->CompareInfo;
   
   // Compares two strings using myComp.
   Console::WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1, myStr2 );
   Console::WriteLine( "   With no CompareOptions            : {0}", myComp->Compare( myStr1, myStr2 ) );
   Console::WriteLine( "   With None                         : {0}", myComp->Compare( myStr1, myStr2, CompareOptions::None ) );
   Console::WriteLine( "   With Ordinal                      : {0}", myComp->Compare( myStr1, myStr2, CompareOptions::Ordinal ) );
   Console::WriteLine( "   With StringSort                   : {0}", myComp->Compare( myStr1, myStr2, CompareOptions::StringSort ) );
   Console::WriteLine( "   With IgnoreCase                   : {0}", myComp->Compare( myStr1, myStr2, CompareOptions::IgnoreCase ) );
   Console::WriteLine( "   With IgnoreSymbols                : {0}", myComp->Compare( myStr1, myStr2, CompareOptions::IgnoreSymbols ) );
   Console::WriteLine( "   With IgnoreCase and IgnoreSymbols : {0}", myComp->Compare( myStr1, myStr2, static_cast<CompareOptions>(CompareOptions::IgnoreCase | CompareOptions::IgnoreSymbols) ) );
}

/*
This code produces the following output.

Comparing "My Uncle Bill's clients" and "My uncle bills clients"
   With no CompareOptions            : 1
   With None                         : 1
   With Ordinal                      : -32
   With StringSort                   : -1
   With IgnoreCase                   : 1
   With IgnoreSymbols                : 1
   With IgnoreCase and IgnoreSymbols : 0
*/
using System;
using System.Globalization;

public class SamplesCompareInfo  {

   public static void Main()  {

      // Defines the strings to compare.
      String myStr1 = "My Uncle Bill's clients";
      String myStr2 = "My uncle bills clients";

      // Creates a CompareInfo that uses the InvariantCulture.
      CompareInfo myComp = CultureInfo.InvariantCulture.CompareInfo;

      // Compares two strings using myComp.
      Console.WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1, myStr2 );
      Console.WriteLine( "   With no CompareOptions            : {0}", myComp.Compare( myStr1, myStr2 ) );
      Console.WriteLine( "   With None                         : {0}", myComp.Compare( myStr1, myStr2, CompareOptions.None ) );
      Console.WriteLine( "   With Ordinal                      : {0}", myComp.Compare( myStr1, myStr2, CompareOptions.Ordinal ) );
      Console.WriteLine( "   With StringSort                   : {0}", myComp.Compare( myStr1, myStr2, CompareOptions.StringSort ) );
      Console.WriteLine( "   With IgnoreCase                   : {0}", myComp.Compare( myStr1, myStr2, CompareOptions.IgnoreCase ) );
      Console.WriteLine( "   With IgnoreSymbols                : {0}", myComp.Compare( myStr1, myStr2, CompareOptions.IgnoreSymbols ) );
      Console.WriteLine( "   With IgnoreCase and IgnoreSymbols : {0}", myComp.Compare( myStr1, myStr2, CompareOptions.IgnoreCase | CompareOptions.IgnoreSymbols ) );

   }

}


/*
This code produces the following output.

Comparing "My Uncle Bill's clients" and "My uncle bills clients"
   With no CompareOptions            : 1
   With None                         : 1
   With Ordinal                      : -32
   With StringSort                   : -1
   With IgnoreCase                   : 1
   With IgnoreSymbols                : 1
   With IgnoreCase and IgnoreSymbols : 0

*/
Imports System.Globalization

Public Class SamplesCompareInfo

   Public Shared Sub Main()

      ' Defines the strings to compare.
      Dim myStr1 As [String] = "My Uncle Bill's clients"
      Dim myStr2 As [String] = "My uncle bills clients"

      ' Creates a CompareInfo that uses the InvariantCulture.
      Dim myComp As CompareInfo = CultureInfo.InvariantCulture.CompareInfo

      ' Compares two strings using myComp.
      Console.WriteLine("Comparing ""{0}"" and ""{1}""", myStr1, myStr2)
      Console.WriteLine("   With no CompareOptions            : {0}", myComp.Compare(myStr1, myStr2))
      Console.WriteLine("   With None                         : {0}", myComp.Compare(myStr1, myStr2, CompareOptions.None))
      Console.WriteLine("   With Ordinal                      : {0}", myComp.Compare(myStr1, myStr2, CompareOptions.Ordinal))
      Console.WriteLine("   With StringSort                   : {0}", myComp.Compare(myStr1, myStr2, CompareOptions.StringSort))
      Console.WriteLine("   With IgnoreCase                   : {0}", myComp.Compare(myStr1, myStr2, CompareOptions.IgnoreCase))
      Console.WriteLine("   With IgnoreSymbols                : {0}", myComp.Compare(myStr1, myStr2, CompareOptions.IgnoreSymbols))
      Console.WriteLine("   With IgnoreCase and IgnoreSymbols : {0}", myComp.Compare(myStr1, myStr2, CompareOptions.IgnoreCase Or CompareOptions.IgnoreSymbols))

   End Sub

End Class


'This code produces the following output.
'
'Comparing "My Uncle Bill's clients" and "My uncle bills clients"
'   With no CompareOptions            : 1
'   With None                         : 1
'   With Ordinal                      : -32
'   With StringSort                   : -1
'   With IgnoreCase                   : 1
'   With IgnoreSymbols                : 1
'   With IgnoreCase and IgnoreSymbols : 0

L'exemple suivant montre l'appel à la méthode Compare.The following example demonstrates calling the Compare method.

using namespace System;
using namespace System::Text;
using namespace System::Globalization;

int main()
{
    array<String^>^ sign = gcnew array<String^> { "<", "=", ">" };

    // The code below demonstrates how strings compare
    // differently for different cultures.
    String^ s1 = "Coté"; 
    String^ s2 = "coté";
    String^ s3 = "côte";

    // Set sort order of strings for French in France.
    CompareInfo^ ci = (gcnew CultureInfo("fr-FR"))->CompareInfo;
    Console::WriteLine(L"The LCID for {0} is {1}.", ci->Name, ci->LCID);

    // Display the result using fr-FR Compare of Coté = coté.
    Console::WriteLine(L"fr-FR Compare: {0} {2} {1}",
        s1, s2, sign[ci->Compare(s1, s2, CompareOptions::IgnoreCase) + 1]);

    // Display the result using fr-FR Compare of coté > côte.
    Console::WriteLine(L"fr-FR Compare: {0} {2} {1}",
        s2, s3, sign[ci->Compare(s2, s3, CompareOptions::None) + 1]);

    // Set sort order of strings for Japanese as spoken in Japan.
    ci = (gcnew CultureInfo("ja-JP"))->CompareInfo;
    Console::WriteLine(L"The LCID for {0} is {1}.", ci->Name, ci->LCID);

    // Display the result using ja-JP Compare of coté < côte.
    Console::WriteLine("ja-JP Compare: {0} {2} {1}",
        s2, s3, sign[ci->Compare(s2, s3) + 1]);
}

// This code produces the following output.
//
// The LCID for fr-FR is 1036.
// fr-FR Compare: Coté = coté
// fr-FR Compare: coté > côte
// The LCID for ja-JP is 1041.
// ja-JP Compare: coté < côte
using System;
using System.Text;
using System.Globalization;

public sealed class App
{
    static void Main(string[] args)
    {
        String[] sign = new String[] { "<", "=", ">" };

        // The code below demonstrates how strings compare 
        // differently for different cultures.
        String s1 = "Coté", s2 = "coté", s3 = "côte";

        // Set sort order of strings for French in France.
        CompareInfo ci = new CultureInfo("fr-FR").CompareInfo;
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID);
      
        // Display the result using fr-FR Compare of Coté = coté.  	
        Console.WriteLine("fr-FR Compare: {0} {2} {1}",
            s1, s2, sign[ci.Compare(s1, s2, CompareOptions.IgnoreCase) + 1]);

        // Display the result using fr-FR Compare of coté > côte.
        Console.WriteLine("fr-FR Compare: {0} {2} {1}",
            s2, s3, sign[ci.Compare(s2, s3, CompareOptions.None) + 1]);

        // Set sort order of strings for Japanese as spoken in Japan.
        ci = new CultureInfo("ja-JP").CompareInfo;
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID);

        // Display the result using ja-JP Compare of coté < côte. 
        Console.WriteLine("ja-JP Compare: {0} {2} {1}",
            s2, s3, sign[ci.Compare(s2, s3) + 1]);
    }
}

// This code produces the following output.
// 
// The LCID for fr-FR is 1036.
// fr-FR Compare: Coté = coté
// fr-FR Compare: coté > côte
// The LCID for ja-JP is 1041.
// ja-JP Compare: coté < côte
Imports System.Text
Imports System.Globalization

NotInheritable Public Class App
    Shared Sub Main(ByVal args() As String) 
        Dim sign() As String = {"<", "=", ">"}
        
        ' The code below demonstrates how strings compare 
        ' differently for different cultures.
        Dim s1 As String = "Coté"
        Dim s2 As String = "coté"
        Dim s3 As String = "côte"
        
        ' Set sort order of strings for French in France.
        Dim ci As CompareInfo = New CultureInfo("fr-FR").CompareInfo
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID)
        
        ' Display the result using fr-FR Compare of Coté = coté.  	
        Console.WriteLine("fr-FR Compare: {0} {2} {1}", _
                          s1, s2, sign((ci.Compare(s1, s2, CompareOptions.IgnoreCase) + 1)))
        
        ' Display the result using fr-FR Compare of coté > côte.
        Console.WriteLine("fr-FR Compare: {0} {2} {1}", _
                          s2, s3, sign((ci.Compare(s2, s3, CompareOptions.None) + 1)))
        
        ' Set sort order of strings for Japanese as spoken in Japan.
        ci = New CultureInfo("ja-JP").CompareInfo
        Console.WriteLine("The LCID for {0} is {1}.", ci.Name, ci.LCID)
        
        ' Display the result using ja-JP Compare of coté < côte. 
        Console.WriteLine("ja-JP Compare: {0} {2} {1}", _
                          s2, s3, sign((ci.Compare(s2, s3) + 1)))
    End Sub
End Class

' This code produces the following output.
' 
' The LCID for fr-FR is 1036.
' fr-FR Compare: Coté = coté
' fr-FR Compare: coté > côte
' The LCID for ja-JP is 1041.
' ja-JP Compare: coté < côte

Remarques

Si une décision de sécurité dépend d’une comparaison de chaînes ou d’un changement de casse, InvariantCulture vous devez utiliser la propriété pour vous assurer que le comportement est cohérent, quels que soient les paramètres de culture du système d’exploitation.If a security decision depends on a string comparison or a case change, you should use the InvariantCulture property to ensure that the behavior is consistent regardless of the culture settings of the operating system.

Notes

Lorsque cela est possible, vous devez appeler des méthodes de comparaison de chaînes qui CompareOptions ont un paramètre de type pour spécifier le type de comparaison attendu.When possible, you should call string comparison methods that have a parameter of type CompareOptions to specify the kind of comparison expected. En règle générale, utilisez les options linguistiques (à l’aide de la culture actuelle) pour comparer les chaînes affichées dans l' Ordinal interface OrdinalIgnoreCase utilisateur et spécifiez ou pour les comparaisons de sécurité.As a general rule, use linguistic options (using the current culture) for comparing strings displayed in the user interface and specify Ordinal or OrdinalIgnoreCase for security comparisons.

Notes pour les appelants

Les jeux de caractères incluent les caractères ignorables, à savoir les caractères qui ne sont pas considérés lors de l'exécution d'une comparaison linguistique ou dépendante de la culture.Character sets include ignorable characters, which are characters that are not considered when performing a linguistic or culture-sensitive comparison. La Compare(String, String, CompareOptions) méthode ne prend pas en compte ces caractères lorsqu’elle effectue une comparaison dépendante de la culture.The Compare(String, String, CompareOptions) method does not consider such characters when it performs a culture-sensitive comparison. Pour reconnaître les caractères ignorables dans votre comparaison, fournissez la Ordinal valeur OrdinalIgnoreCase ou pour options le paramètre.To recognize ignorable characters in your comparison, supply a value of Ordinal or OrdinalIgnoreCase for the options parameter.

Voir aussi

Compare(String, Int32, String, Int32)

Compare la section finale d'une chaîne à la section finale d'une autre chaîne.Compares the end section of a string with the end section of another string.

public:
 virtual int Compare(System::String ^ string1, int offset1, System::String ^ string2, int offset2);
public virtual int Compare (string string1, int offset1, string string2, int offset2);
abstract member Compare : string * int * string * int -> int
override this.Compare : string * int * string * int -> int
Public Overridable Function Compare (string1 As String, offset1 As Integer, string2 As String, offset2 As Integer) As Integer

Paramètres

string1
String

Première chaîne à comparer.The first string to compare.

offset1
Int32

Index de base zéro du caractère de string1 au niveau duquel commencer la comparaison.The zero-based index of the character in string1 at which to start comparing.

string2
String

Deuxième chaîne à comparer.The second string to compare.

offset2
Int32

Index de base zéro du caractère de string2 au niveau duquel commencer la comparaison.The zero-based index of the character in string2 at which to start comparing.

Retours

Entier signé 32 bits qui indique la relation lexicale entre les deux comparateurs.A 32-bit signed integer indicating the lexical relationship between the two comparands.

ValueValue ConditionCondition
zérozero Les deux chaînes sont égales.The two strings are equal.
inférieure à zéroless than zero La section spécifiée dans string1 est inférieure à la section spécifiée dans string2.The specified section of string1 is less than the specified section of string2.
supérieure à zérogreater than zero La section spécifiée dans string1 est supérieure à la section spécifiée dans string2.The specified section of string1 is greater than the specified section of string2.

Exceptions

offset1 ou offset2 est inférieur à zéro.offset1 or offset2 is less than zero.

- ou --or-

offset1 est supérieur ou égal au nombre de caractères de string1.offset1 is greater than or equal to the number of characters in string1.

ou-or-

offset2 est supérieur ou égal au nombre de caractères de string2.offset2 is greater than or equal to the number of characters in string2.

Exemples

L’exemple suivant compare des parties de deux chaînes à l' CompareInfo aide des différents objets:The following example compares portions of two strings using the different CompareInfo objects:

using namespace System;
using namespace System::Globalization;
int main()
{
   
   // Defines the strings to compare.
   String^ myStr1 = "calle";
   String^ myStr2 = "calor";
   
   // Uses GetCompareInfo to create the CompareInfo that 
   // uses the S"es-ES" culture with international sort.
   CompareInfo^ myCompIntl = CompareInfo::GetCompareInfo( "es-ES" );
   
   // Uses GetCompareInfo to create the CompareInfo that 
   // uses the S"es-ES" culture with traditional sort.
   CompareInfo^ myCompTrad = CompareInfo::GetCompareInfo( 0x040A );
   
   // Uses the CompareInfo property of the InvariantCulture.
   CompareInfo^ myCompInva = CultureInfo::InvariantCulture->CompareInfo;
   
   // Compares two strings using myCompIntl.
   Console::WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1->Substring( 2 ), myStr2->Substring( 2 ) );
   Console::WriteLine( "   With myCompIntl::Compare: {0}", myCompIntl->Compare( myStr1, 2, myStr2, 2 ) );
   Console::WriteLine( "   With myCompTrad::Compare: {0}", myCompTrad->Compare( myStr1, 2, myStr2, 2 ) );
   Console::WriteLine( "   With myCompInva::Compare: {0}", myCompInva->Compare( myStr1, 2, myStr2, 2 ) );
}

/*
This code produces the following output.

Comparing "lle" and "lor"
   With myCompIntl::Compare: -1
   With myCompTrad::Compare: 1
   With myCompInva::Compare: -1
*/
using System;
using System.Globalization;

public class SamplesCompareInfo  {

   public static void Main()  {

      // Defines the strings to compare.
      String myStr1 = "calle";
      String myStr2 = "calor";

      // Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with international sort.
      CompareInfo myCompIntl = CompareInfo.GetCompareInfo( "es-ES" );
      
      // Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with traditional sort.
      CompareInfo myCompTrad = CompareInfo.GetCompareInfo( 0x040A );

      // Uses the CompareInfo property of the InvariantCulture.
      CompareInfo myCompInva = CultureInfo.InvariantCulture.CompareInfo;

      // Compares two strings using myCompIntl.
      Console.WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1.Substring( 2 ), myStr2.Substring( 2 ) );
      Console.WriteLine( "   With myCompIntl.Compare: {0}", myCompIntl.Compare( myStr1, 2, myStr2, 2 ) );
      Console.WriteLine( "   With myCompTrad.Compare: {0}", myCompTrad.Compare( myStr1, 2, myStr2, 2 ) );
      Console.WriteLine( "   With myCompInva.Compare: {0}", myCompInva.Compare( myStr1, 2, myStr2, 2 ) );

   }

}


/*
This code produces the following output.

Comparing "lle" and "lor"
   With myCompIntl.Compare: -1
   With myCompTrad.Compare: 1
   With myCompInva.Compare: -1

*/
Imports System.Globalization

Public Class SamplesCompareInfo

   Public Shared Sub Main()

      ' Defines the strings to compare.
      Dim myStr1 As [String] = "calle"
      Dim myStr2 As [String] = "calor"

      ' Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with international sort.
      Dim myCompIntl As CompareInfo = CompareInfo.GetCompareInfo("es-ES")

      ' Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with traditional sort.
      Dim myCompTrad As CompareInfo = CompareInfo.GetCompareInfo(&H40A)

      ' Uses the CompareInfo property of the InvariantCulture.
      Dim myCompInva As CompareInfo = CultureInfo.InvariantCulture.CompareInfo

      ' Compares two strings using myCompIntl.
      Console.WriteLine("Comparing ""{0}"" and ""{1}""", myStr1.Substring(2), myStr2.Substring(2))
      Console.WriteLine("   With myCompIntl.Compare: {0}", myCompIntl.Compare(myStr1, 2, myStr2, 2))
      Console.WriteLine("   With myCompTrad.Compare: {0}", myCompTrad.Compare(myStr1, 2, myStr2, 2))
      Console.WriteLine("   With myCompInva.Compare: {0}", myCompInva.Compare(myStr1, 2, myStr2, 2))

   End Sub

End Class


'This code produces the following output.
'
'Comparing "lle" and "lor"
'   With myCompIntl.Compare: -1
'   With myCompTrad.Compare: 1
'   With myCompInva.Compare: -1

Remarques

Si une décision de sécurité dépend d’une comparaison de chaînes ou d’un changement de casse, InvariantCulture vous devez utiliser la propriété pour vous assurer que le comportement est cohérent, quels que soient les paramètres de culture du système d’exploitation.If a security decision depends on a string comparison or a case change, you should use the InvariantCulture property to ensure that the behavior is consistent regardless of the culture settings of the operating system.

Notes

Lorsque cela est possible, vous devez appeler des méthodes de comparaison de chaînes qui CompareOptions ont un paramètre de type pour spécifier le type de comparaison attendu.When possible, you should call string comparison methods that have a parameter of type CompareOptions to specify the kind of comparison expected. En règle générale, utilisez les options linguistiques (à l’aide de la culture actuelle) pour comparer les chaînes affichées dans l' Ordinal interface OrdinalIgnoreCase utilisateur et spécifiez ou pour les comparaisons de sécurité.As a general rule, use linguistic options (using the current culture) for comparing strings displayed in the user interface and specify Ordinal or OrdinalIgnoreCase for security comparisons.

Notes pour les appelants

Les jeux de caractères incluent les caractères ignorables.Character sets include ignorable characters. La Compare(String, Int32, String, Int32) méthode ne tient pas compte de ces caractères lorsqu’elle effectue une comparaison linguistique ou dépendante de la culture.The Compare(String, Int32, String, Int32) method does not consider these characters when it performs a linguistic or culture-sensitive comparison. Pour reconnaître les caractères ignorables dans votre comparaison, appelez Compare(String, Int32, String, Int32, CompareOptions) la méthode et fournissez une Ordinal valeur OrdinalIgnoreCase ou pour options le paramètre.To recognize ignorable characters in your comparison, call the Compare(String, Int32, String, Int32, CompareOptions) method and supply a value of Ordinal or OrdinalIgnoreCase for the options parameter.

Compare(String, Int32, String, Int32, CompareOptions)

Compare la section finale d'une chaîne avec celle d'une autre chaîne à l'aide de la valeur CompareOptions spécifiée.Compares the end section of a string with the end section of another string using the specified CompareOptions value.

public:
 virtual int Compare(System::String ^ string1, int offset1, System::String ^ string2, int offset2, System::Globalization::CompareOptions options);
public virtual int Compare (string string1, int offset1, string string2, int offset2, System.Globalization.CompareOptions options);
abstract member Compare : string * int * string * int * System.Globalization.CompareOptions -> int
override this.Compare : string * int * string * int * System.Globalization.CompareOptions -> int
Public Overridable Function Compare (string1 As String, offset1 As Integer, string2 As String, offset2 As Integer, options As CompareOptions) As Integer

Paramètres

string1
String

Première chaîne à comparer.The first string to compare.

offset1
Int32

Index de base zéro du caractère de string1 au niveau duquel commencer la comparaison.The zero-based index of the character in string1 at which to start comparing.

string2
String

Deuxième chaîne à comparer.The second string to compare.

offset2
Int32

Index de base zéro du caractère de string2 au niveau duquel commencer la comparaison.The zero-based index of the character in string2 at which to start comparing.

options
CompareOptions

Valeur qui définit le mode de comparaison de string1 et string2.A value that defines how string1 and string2 should be compared. options représente la valeur d'énumération Ordinal ou une combinaison d'opérations de bits d'une ou de plusieurs des valeurs suivantes : IgnoreCase, IgnoreSymbols, IgnoreNonSpace, IgnoreWidth, IgnoreKanaType et StringSort.options is either the enumeration value Ordinal, or a bitwise combination of one or more of the following values: IgnoreCase, IgnoreSymbols, IgnoreNonSpace, IgnoreWidth, IgnoreKanaType, and StringSort.

Retours

Entier signé 32 bits qui indique la relation lexicale entre les deux comparateurs.A 32-bit signed integer indicating the lexical relationship between the two comparands.

ValueValue ConditionCondition
zérozero Les deux chaînes sont égales.The two strings are equal.
inférieure à zéroless than zero La section spécifiée dans string1 est inférieure à la section spécifiée dans string2.The specified section of string1 is less than the specified section of string2.
supérieure à zérogreater than zero La section spécifiée dans string1 est supérieure à la section spécifiée dans string2.The specified section of string1 is greater than the specified section of string2.

Exceptions

offset1 ou offset2 est inférieur à zéro.offset1 or offset2 is less than zero.

- ou --or-

offset1 est supérieur ou égal au nombre de caractères de string1.offset1 is greater than or equal to the number of characters in string1.

- ou --or-

offset2 est supérieur ou égal au nombre de caractères de string2.offset2 is greater than or equal to the number of characters in string2.

options contient une valeur CompareOptions non valide.options contains an invalid CompareOptions value.

Exemples

L’exemple suivant compare des parties de deux chaînes à CompareOptions l’aide de différents paramètres.The following example compares portions of two strings using different CompareOptions settings.

using namespace System;
using namespace System::Globalization;
int main()
{
   
   // Defines the strings to compare.
   String^ myStr1 = "My Uncle Bill's clients";
   String^ myStr2 = "My uncle bills clients";
   
   // Creates a CompareInfo that uses the InvariantCulture.
   CompareInfo^ myComp = CultureInfo::InvariantCulture->CompareInfo;
   
   // Compares two strings using myComp.
   Console::WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1->Substring( 10 ), myStr2->Substring( 10 ) );
   Console::WriteLine( "   With no CompareOptions            : {0}", myComp->Compare( myStr1, 10, myStr2, 10 ) );
   Console::WriteLine( "   With None                         : {0}", myComp->Compare( myStr1, 10, myStr2, 10, CompareOptions::None ) );
   Console::WriteLine( "   With Ordinal                      : {0}", myComp->Compare( myStr1, 10, myStr2, 10, CompareOptions::Ordinal ) );
   Console::WriteLine( "   With StringSort                   : {0}", myComp->Compare( myStr1, 10, myStr2, 10, CompareOptions::StringSort ) );
   Console::WriteLine( "   With IgnoreCase                   : {0}", myComp->Compare( myStr1, 10, myStr2, 10, CompareOptions::IgnoreCase ) );
   Console::WriteLine( "   With IgnoreSymbols                : {0}", myComp->Compare( myStr1, 10, myStr2, 10, CompareOptions::IgnoreSymbols ) );
   Console::WriteLine( "   With IgnoreCase and IgnoreSymbols : {0}", myComp->Compare( myStr1, 10, myStr2, 10, static_cast<CompareOptions>(CompareOptions::IgnoreCase | CompareOptions::IgnoreSymbols) ) );
}

/*
This code produces the following output.

Comparing "ill's clients" and "ills clients"
   With no CompareOptions            : 1
   With None                         : 1
   With Ordinal                      : -76
   With StringSort                   : -1
   With IgnoreCase                   : 1
   With IgnoreSymbols                : 0
   With IgnoreCase and IgnoreSymbols : 0
*/
using System;
using System.Globalization;

public class SamplesCompareInfo  {

   public static void Main()  {

      // Defines the strings to compare.
      String myStr1 = "My Uncle Bill's clients";
      String myStr2 = "My uncle bills clients";

      // Creates a CompareInfo that uses the InvariantCulture.
      CompareInfo myComp = CultureInfo.InvariantCulture.CompareInfo;

      // Compares two strings using myComp.
      Console.WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1.Substring( 10 ), myStr2.Substring( 10 ) );
      Console.WriteLine( "   With no CompareOptions            : {0}", myComp.Compare( myStr1, 10, myStr2, 10 ) );
      Console.WriteLine( "   With None                         : {0}", myComp.Compare( myStr1, 10, myStr2, 10, CompareOptions.None ) );
      Console.WriteLine( "   With Ordinal                      : {0}", myComp.Compare( myStr1, 10, myStr2, 10, CompareOptions.Ordinal ) );
      Console.WriteLine( "   With StringSort                   : {0}", myComp.Compare( myStr1, 10, myStr2, 10, CompareOptions.StringSort ) );
      Console.WriteLine( "   With IgnoreCase                   : {0}", myComp.Compare( myStr1, 10, myStr2, 10, CompareOptions.IgnoreCase ) );
      Console.WriteLine( "   With IgnoreSymbols                : {0}", myComp.Compare( myStr1, 10, myStr2, 10, CompareOptions.IgnoreSymbols ) );
      Console.WriteLine( "   With IgnoreCase and IgnoreSymbols : {0}", myComp.Compare( myStr1, 10, myStr2, 10, CompareOptions.IgnoreCase | CompareOptions.IgnoreSymbols ) );

   }

}


/*
This code produces the following output.

Comparing "ill's clients" and "ills clients"
   With no CompareOptions            : 1
   With None                         : 1
   With Ordinal                      : -76
   With StringSort                   : -1
   With IgnoreCase                   : 1
   With IgnoreSymbols                : 0
   With IgnoreCase and IgnoreSymbols : 0

*/
Imports System.Globalization

Public Class SamplesCompareInfo

   Public Shared Sub Main()

      ' Defines the strings to compare.
      Dim myStr1 As [String] = "My Uncle Bill's clients"
      Dim myStr2 As [String] = "My uncle bills clients"

      ' Creates a CompareInfo that uses the InvariantCulture.
      Dim myComp As CompareInfo = CultureInfo.InvariantCulture.CompareInfo

      ' Compares two strings using myComp.
      Console.WriteLine("Comparing ""{0}"" and ""{1}""", myStr1.Substring(10), myStr2.Substring(10))
      Console.WriteLine("   With no CompareOptions            : {0}", myComp.Compare(myStr1, 10, myStr2, 10))
      Console.WriteLine("   With None                         : {0}", myComp.Compare(myStr1, 10, myStr2, 10, CompareOptions.None))
      Console.WriteLine("   With Ordinal                      : {0}", myComp.Compare(myStr1, 10, myStr2, 10, CompareOptions.Ordinal))
      Console.WriteLine("   With StringSort                   : {0}", myComp.Compare(myStr1, 10, myStr2, 10, CompareOptions.StringSort))
      Console.WriteLine("   With IgnoreCase                   : {0}", myComp.Compare(myStr1, 10, myStr2, 10, CompareOptions.IgnoreCase))
      Console.WriteLine("   With IgnoreSymbols                : {0}", myComp.Compare(myStr1, 10, myStr2, 10, CompareOptions.IgnoreSymbols))
      Console.WriteLine("   With IgnoreCase and IgnoreSymbols : {0}", myComp.Compare(myStr1, 10, myStr2, 10, CompareOptions.IgnoreCase Or CompareOptions.IgnoreSymbols))

   End Sub

End Class


'This code produces the following output.
'
'Comparing "ill's clients" and "ills clients"
'   With no CompareOptions            : 1
'   With None                         : 1
'   With Ordinal                      : -76
'   With StringSort                   : -1
'   With IgnoreCase                   : 1
'   With IgnoreSymbols                : 0
'   With IgnoreCase and IgnoreSymbols : 0

Remarques

Si une décision de sécurité dépend d’une comparaison de chaînes ou d’un changement de casse, InvariantCulture vous devez utiliser la propriété pour vous assurer que le comportement est cohérent, quels que soient les paramètres de culture du système d’exploitation.If a security decision depends on a string comparison or a case change, you should use the InvariantCulture property to ensure that the behavior is consistent regardless of the culture settings of the operating system.

Notes

Lorsque cela est possible, vous devez appeler des méthodes de comparaison de chaînes qui CompareOptions ont un paramètre de type pour spécifier le type de comparaison attendu.When possible, you should call string comparison methods that have a parameter of type CompareOptions to specify the kind of comparison expected. En règle générale, utilisez les options linguistiques (à l’aide de la culture actuelle) pour comparer les chaînes affichées dans l' Ordinal interface OrdinalIgnoreCase utilisateur et spécifiez ou pour les comparaisons de sécurité.As a general rule, use linguistic options (using the current culture) for comparing strings displayed in the user interface and specify Ordinal or OrdinalIgnoreCase for security comparisons.

Notes pour les appelants

Les jeux de caractères incluent les caractères ignorables, à savoir les caractères qui ne sont pas considérés lors de l'exécution d'une comparaison linguistique ou dépendante de la culture.Character sets include ignorable characters, which are characters that are not considered when performing a linguistic or culture-sensitive comparison. La Compare(String, Int32, String, Int32, CompareOptions) méthode ne tient pas compte de ces caractères lors de l’exécution d’une comparaison dépendante de la culture.The Compare(String, Int32, String, Int32, CompareOptions) method does not consider such characters when performing a culture-sensitive comparison. Pour reconnaître les caractères ignorables dans votre comparaison, fournissez la Ordinal valeur OrdinalIgnoreCase ou pour options le paramètre.To recognize ignorable characters in your comparison, supply a value of Ordinal or OrdinalIgnoreCase for the options parameter.

Voir aussi

Compare(String, Int32, Int32, String, Int32, Int32)

Compare la section d'une chaîne avec celle d'une autre chaîne.Compares a section of one string with a section of another string.

public:
 virtual int Compare(System::String ^ string1, int offset1, int length1, System::String ^ string2, int offset2, int length2);
public virtual int Compare (string string1, int offset1, int length1, string string2, int offset2, int length2);
abstract member Compare : string * int * int * string * int * int -> int
override this.Compare : string * int * int * string * int * int -> int
Public Overridable Function Compare (string1 As String, offset1 As Integer, length1 As Integer, string2 As String, offset2 As Integer, length2 As Integer) As Integer

Paramètres

string1
String

Première chaîne à comparer.The first string to compare.

offset1
Int32

Index de base zéro du caractère de string1 au niveau duquel commencer la comparaison.The zero-based index of the character in string1 at which to start comparing.

length1
Int32

Nombre de caractères consécutifs dans string1 à comparer.The number of consecutive characters in string1 to compare.

string2
String

Deuxième chaîne à comparer.The second string to compare.

offset2
Int32

Index de base zéro du caractère de string2 au niveau duquel commencer la comparaison.The zero-based index of the character in string2 at which to start comparing.

length2
Int32

Nombre de caractères consécutifs dans string2 à comparer.The number of consecutive characters in string2 to compare.

Retours

Entier signé 32 bits qui indique la relation lexicale entre les deux comparateurs.A 32-bit signed integer indicating the lexical relationship between the two comparands.

ValueValue ConditionCondition
zérozero Les deux chaînes sont égales.The two strings are equal.
inférieure à zéroless than zero La section spécifiée dans string1 est inférieure à la section spécifiée dans string2.The specified section of string1 is less than the specified section of string2.
supérieure à zérogreater than zero La section spécifiée dans string1 est supérieure à la section spécifiée dans string2.The specified section of string1 is greater than the specified section of string2.

Exceptions

offset1 ou length1 ou offset2 ou length2 est inférieur à zéro.offset1 or length1 or offset2 or length2 is less than zero.

- ou --or-

offset1 est supérieur ou égal au nombre de caractères de string1.offset1 is greater than or equal to the number of characters in string1.

- ou --or-

offset2 est supérieur ou égal au nombre de caractères de string2.offset2 is greater than or equal to the number of characters in string2.

ou-or-

length1 est supérieur au nombre de caractères compris entre offset1 et la fin de string1.length1 is greater than the number of characters from offset1 to the end of string1.

ou-or-

length2 est supérieur au nombre de caractères compris entre offset2 et la fin de string2.length2 is greater than the number of characters from offset2 to the end of string2.

Exemples

L’exemple suivant compare des parties de deux chaînes à l' CompareInfo aide des différents objets:The following example compares portions of two strings using the different CompareInfo objects:

using namespace System;
using namespace System::Globalization;
int main()
{
   
   // Defines the strings to compare.
   String^ myStr1 = "calle";
   String^ myStr2 = "calor";
   
   // Uses GetCompareInfo to create the CompareInfo that uses the S"es-ES" culture with international sort.
   CompareInfo^ myCompIntl = CompareInfo::GetCompareInfo( "es-ES" );
   
   // Uses GetCompareInfo to create the CompareInfo that uses the S"es-ES" culture with traditional sort.
   CompareInfo^ myCompTrad = CompareInfo::GetCompareInfo( 0x040A );
   
   // Uses the CompareInfo property of the InvariantCulture.
   CompareInfo^ myCompInva = CultureInfo::InvariantCulture->CompareInfo;
   
   // Compares two strings using myCompIntl.
   Console::WriteLine( "Comparing \" {0}\" and \" {1}\"", myStr1->Substring( 2, 2 ), myStr2->Substring( 2, 2 ) );
   Console::WriteLine( "   With myCompIntl->Compare: {0}", myCompIntl->Compare( myStr1, 2, 2, myStr2, 2, 2 ) );
   Console::WriteLine( "   With myCompTrad->Compare: {0}", myCompTrad->Compare( myStr1, 2, 2, myStr2, 2, 2 ) );
   Console::WriteLine( "   With myCompInva->Compare: {0}", myCompInva->Compare( myStr1, 2, 2, myStr2, 2, 2 ) );
}

/*
This code produces the following output.

Comparing S"ll" and S"lo"
With myCompIntl.Compare: -1
With myCompTrad.Compare: 1
With myCompInva.Compare: -1

*/
using System;
using System.Globalization;

public class SamplesCompareInfo  {

   public static void Main()  {

      // Defines the strings to compare.
      String myStr1 = "calle";
      String myStr2 = "calor";

      // Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with international sort.
      CompareInfo myCompIntl = CompareInfo.GetCompareInfo( "es-ES" );
      
      // Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with traditional sort.
      CompareInfo myCompTrad = CompareInfo.GetCompareInfo( 0x040A );

      // Uses the CompareInfo property of the InvariantCulture.
      CompareInfo myCompInva = CultureInfo.InvariantCulture.CompareInfo;

      // Compares two strings using myCompIntl.
      Console.WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1.Substring( 2, 2 ), myStr2.Substring( 2, 2 ) );
      Console.WriteLine( "   With myCompIntl.Compare: {0}", myCompIntl.Compare( myStr1, 2, 2, myStr2, 2, 2 ) );
      Console.WriteLine( "   With myCompTrad.Compare: {0}", myCompTrad.Compare( myStr1, 2, 2, myStr2, 2, 2 ) );
      Console.WriteLine( "   With myCompInva.Compare: {0}", myCompInva.Compare( myStr1, 2, 2, myStr2, 2, 2 ) );

   }

}


/*
This code produces the following output.

Comparing "ll" and "lo"
   With myCompIntl.Compare: -1
   With myCompTrad.Compare: 1
   With myCompInva.Compare: -1

*/
Imports System.Globalization

Public Class SamplesCompareInfo

   Public Shared Sub Main()

      ' Defines the strings to compare.
      Dim myStr1 As [String] = "calle"
      Dim myStr2 As [String] = "calor"

      ' Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with international sort.
      Dim myCompIntl As CompareInfo = CompareInfo.GetCompareInfo("es-ES")

      ' Uses GetCompareInfo to create the CompareInfo that uses the "es-ES" culture with traditional sort.
      Dim myCompTrad As CompareInfo = CompareInfo.GetCompareInfo(&H40A)

      ' Uses the CompareInfo property of the InvariantCulture.
      Dim myCompInva As CompareInfo = CultureInfo.InvariantCulture.CompareInfo

      ' Compares two strings using myCompIntl.
      Console.WriteLine("Comparing ""{0}"" and ""{1}""", myStr1.Substring(2, 2), myStr2.Substring(2, 2))
      Console.WriteLine("   With myCompIntl.Compare: {0}", myCompIntl.Compare(myStr1, 2, 2, myStr2, 2, 2))
      Console.WriteLine("   With myCompTrad.Compare: {0}", myCompTrad.Compare(myStr1, 2, 2, myStr2, 2, 2))
      Console.WriteLine("   With myCompInva.Compare: {0}", myCompInva.Compare(myStr1, 2, 2, myStr2, 2, 2))

   End Sub

End Class


'This code produces the following output.
'
'Comparing "ll" and "lo"
'   With myCompIntl.Compare: -1
'   With myCompTrad.Compare: 1
'   With myCompInva.Compare: -1

Remarques

Si une décision de sécurité dépend d’une comparaison de chaînes ou d’un changement de casse, InvariantCulture vous devez utiliser la propriété pour vous assurer que le comportement est cohérent, quels que soient les paramètres de culture du système d’exploitation.If a security decision depends on a string comparison or a case change, you should use the InvariantCulture property to ensure that the behavior is consistent regardless of the culture settings of the operating system.

Notes

Lorsque cela est possible, vous devez utiliser des méthodes de comparaison de chaînes qui CompareOptions ont un paramètre de type pour spécifier le type de comparaison attendu.When possible, you should use string comparison methods that have a parameter of type CompareOptions to specify the kind of comparison expected. En règle générale, utilisez les options linguistiques (à l’aide de la culture actuelle) pour comparer les chaînes affichées dans l' Ordinal interface OrdinalIgnoreCase utilisateur et spécifiez ou pour les comparaisons de sécurité.As a general rule, use linguistic options (using the current culture) for comparing strings displayed in the user interface and specify Ordinal or OrdinalIgnoreCase for security comparisons.

Notes pour les appelants

Les jeux de caractères incluent les caractères ignorables.Character sets include ignorable characters. La Compare(String, Int32, Int32, String, Int32, Int32) méthode ne tient pas compte de ces caractères lorsqu’elle effectue une comparaison linguistique ou dépendante de la culture.The Compare(String, Int32, Int32, String, Int32, Int32) method does not consider these characters when it performs a linguistic or culture-sensitive comparison. Pour reconnaître les caractères ignorables dans votre comparaison, appelez Compare(String, Int32, Int32, String, Int32, Int32, CompareOptions) la méthode et fournissez une Ordinal valeur OrdinalIgnoreCase ou pour options le paramètre.To recognize ignorable characters in your comparison, call the Compare(String, Int32, Int32, String, Int32, Int32, CompareOptions) method and supply a value of Ordinal or OrdinalIgnoreCase for the options parameter.

Compare(String, Int32, Int32, String, Int32, Int32, CompareOptions)

Compare une section d'une chaîne avec une section d'une autre chaîne à l'aide de la valeur CompareOptions spécifiée.Compares a section of one string with a section of another string using the specified CompareOptions value.

public:
 virtual int Compare(System::String ^ string1, int offset1, int length1, System::String ^ string2, int offset2, int length2, System::Globalization::CompareOptions options);
public virtual int Compare (string string1, int offset1, int length1, string string2, int offset2, int length2, System.Globalization.CompareOptions options);
abstract member Compare : string * int * int * string * int * int * System.Globalization.CompareOptions -> int
override this.Compare : string * int * int * string * int * int * System.Globalization.CompareOptions -> int
Public Overridable Function Compare (string1 As String, offset1 As Integer, length1 As Integer, string2 As String, offset2 As Integer, length2 As Integer, options As CompareOptions) As Integer

Paramètres

string1
String

Première chaîne à comparer.The first string to compare.

offset1
Int32

Index de base zéro du caractère de string1 au niveau duquel commencer la comparaison.The zero-based index of the character in string1 at which to start comparing.

length1
Int32

Nombre de caractères consécutifs dans string1 à comparer.The number of consecutive characters in string1 to compare.

string2
String

Deuxième chaîne à comparer.The second string to compare.

offset2
Int32

Index de base zéro du caractère de string2 au niveau duquel commencer la comparaison.The zero-based index of the character in string2 at which to start comparing.

length2
Int32

Nombre de caractères consécutifs dans string2 à comparer.The number of consecutive characters in string2 to compare.

options
CompareOptions

Valeur qui définit le mode de comparaison de string1 et string2.A value that defines how string1 and string2 should be compared. options représente la valeur d'énumération Ordinal ou une combinaison d'opérations de bits d'une ou de plusieurs des valeurs suivantes : IgnoreCase, IgnoreSymbols, IgnoreNonSpace, IgnoreWidth, IgnoreKanaType et StringSort.options is either the enumeration value Ordinal, or a bitwise combination of one or more of the following values: IgnoreCase, IgnoreSymbols, IgnoreNonSpace, IgnoreWidth, IgnoreKanaType, and StringSort.

Retours

Entier signé 32 bits qui indique la relation lexicale entre les deux comparateurs.A 32-bit signed integer indicating the lexical relationship between the two comparands.

ValueValue ConditionCondition
zérozero Les deux chaînes sont égales.The two strings are equal.
inférieure à zéroless than zero La section spécifiée dans string1 est inférieure à la section spécifiée dans string2.The specified section of string1 is less than the specified section of string2.
supérieure à zérogreater than zero La section spécifiée dans string1 est supérieure à la section spécifiée dans string2.The specified section of string1 is greater than the specified section of string2.

Exceptions

offset1 ou length1 ou offset2 ou length2 est inférieur à zéro.offset1 or length1 or offset2 or length2 is less than zero.

- ou --or-

offset1 est supérieur ou égal au nombre de caractères de string1.offset1 is greater than or equal to the number of characters in string1.

- ou --or-

offset2 est supérieur ou égal au nombre de caractères de string2.offset2 is greater than or equal to the number of characters in string2.

ou-or-

length1 est supérieur au nombre de caractères compris entre offset1 et la fin de string1.length1 is greater than the number of characters from offset1 to the end of string1.

- ou --or-

length2 est supérieur au nombre de caractères compris entre offset2 et la fin de string2.length2 is greater than the number of characters from offset2 to the end of string2.

options contient une valeur CompareOptions non valide.options contains an invalid CompareOptions value.

Exemples

L’exemple suivant compare des parties de deux chaînes à CompareOptions l’aide de différents paramètres.The following example compares portions of two strings using different CompareOptions settings.

using namespace System;
using namespace System::Globalization;
int main()
{
   
   // Defines the strings to compare.
   String^ myStr1 = "My Uncle Bill's clients";
   String^ myStr2 = "My uncle bills clients";
   
   // Creates a CompareInfo that uses the InvariantCulture.
   CompareInfo^ myComp = CultureInfo::InvariantCulture->CompareInfo;
   
   // Compares two strings using myComp.
   Console::WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1->Substring( 3, 10 ), myStr2->Substring( 3, 10 ) );
   Console::WriteLine( "   With no CompareOptions            : {0}", myComp->Compare( myStr1, 3, 10, myStr2, 3, 10 ) );
   Console::WriteLine( "   With None                         : {0}", myComp->Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions::None ) );
   Console::WriteLine( "   With Ordinal                      : {0}", myComp->Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions::Ordinal ) );
   Console::WriteLine( "   With StringSort                   : {0}", myComp->Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions::StringSort ) );
   Console::WriteLine( "   With IgnoreCase                   : {0}", myComp->Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions::IgnoreCase ) );
   Console::WriteLine( "   With IgnoreSymbols                : {0}", myComp->Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions::IgnoreSymbols ) );
   Console::WriteLine( "   With IgnoreCase and IgnoreSymbols : {0}", myComp->Compare( myStr1, 3, 10, myStr2, 3, 10, static_cast<CompareOptions>(CompareOptions::IgnoreCase | CompareOptions::IgnoreSymbols) ) );
}

/*
This code produces the following output.

Comparing "Uncle Bill" and "uncle bill"
   With no CompareOptions            : 1
   With None                         : 1
   With Ordinal                      : -32
   With StringSort                   : 1
   With IgnoreCase                   : 0
   With IgnoreSymbols                : 1
   With IgnoreCase and IgnoreSymbols : 0

*/
using System;
using System.Globalization;

public class SamplesCompareInfo  {

   public static void Main()  {

      // Defines the strings to compare.
      String myStr1 = "My Uncle Bill's clients";
      String myStr2 = "My uncle bills clients";

      // Creates a CompareInfo that uses the InvariantCulture.
      CompareInfo myComp = CultureInfo.InvariantCulture.CompareInfo;

      // Compares two strings using myComp.
      Console.WriteLine( "Comparing \"{0}\" and \"{1}\"", myStr1.Substring( 3, 10 ), myStr2.Substring( 3, 10 ) );
      Console.WriteLine( "   With no CompareOptions            : {0}", myComp.Compare( myStr1, 3, 10, myStr2, 3, 10 ) );
      Console.WriteLine( "   With None                         : {0}", myComp.Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions.None ) );
      Console.WriteLine( "   With Ordinal                      : {0}", myComp.Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions.Ordinal ) );
      Console.WriteLine( "   With StringSort                   : {0}", myComp.Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions.StringSort ) );
      Console.WriteLine( "   With IgnoreCase                   : {0}", myComp.Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions.IgnoreCase ) );
      Console.WriteLine( "   With IgnoreSymbols                : {0}", myComp.Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions.IgnoreSymbols ) );
      Console.WriteLine( "   With IgnoreCase and IgnoreSymbols : {0}", myComp.Compare( myStr1, 3, 10, myStr2, 3, 10, CompareOptions.IgnoreCase | CompareOptions.IgnoreSymbols ) );

   }

}


/*
This code produces the following output.

Comparing "Uncle Bill" and "uncle bill"
   With no CompareOptions            : 1
   With None                         : 1
   With Ordinal                      : -32
   With StringSort                   : 1
   With IgnoreCase                   : 0
   With IgnoreSymbols                : 1
   With IgnoreCase and IgnoreSymbols : 0

*/
Imports System.Globalization

Public Class SamplesCompareInfo

   Public Shared Sub Main()

      ' Defines the strings to compare.
      Dim myStr1 As [String] = "My Uncle Bill's clients"
      Dim myStr2 As [String] = "My uncle bills clients"

      ' Creates a CompareInfo that uses the InvariantCulture.
      Dim myComp As CompareInfo = CultureInfo.InvariantCulture.CompareInfo

      ' Compares two strings using myComp.
      Console.WriteLine("Comparing ""{0}"" and ""{1}""", myStr1.Substring(3, 10), myStr2.Substring(3, 10))
      Console.WriteLine("   With no CompareOptions            : {0}", myComp.Compare(myStr1, 3, 10, myStr2, 3, 10))
      Console.WriteLine("   With None                         : {0}", myComp.Compare(myStr1, 3, 10, myStr2, 3, 10, CompareOptions.None))
      Console.WriteLine("   With Ordinal                      : {0}", myComp.Compare(myStr1, 3, 10, myStr2, 3, 10, CompareOptions.Ordinal))
      Console.WriteLine("   With StringSort                   : {0}", myComp.Compare(myStr1, 3, 10, myStr2, 3, 10, CompareOptions.StringSort))
      Console.WriteLine("   With IgnoreCase                   : {0}", myComp.Compare(myStr1, 3, 10, myStr2, 3, 10, CompareOptions.IgnoreCase))
      Console.WriteLine("   With IgnoreSymbols                : {0}", myComp.Compare(myStr1, 3, 10, myStr2, 3, 10, CompareOptions.IgnoreSymbols))
      Console.WriteLine("   With IgnoreCase and IgnoreSymbols : {0}", myComp.Compare(myStr1, 3, 10, myStr2, 3, 10, CompareOptions.IgnoreCase Or CompareOptions.IgnoreSymbols))

   End Sub

End Class


'This code produces the following output.
'
'Comparing "Uncle Bill" and "uncle bill"
'   With no CompareOptions            : 1
'   With None                         : 1
'   With Ordinal                      : -32
'   With StringSort                   : 1
'   With IgnoreCase                   : 0
'   With IgnoreSymbols                : 1
'   With IgnoreCase and IgnoreSymbols : 0

Remarques

Si une décision de sécurité dépend d’une comparaison de chaînes ou d’un changement de casse, InvariantCulture vous devez utiliser la propriété pour vous assurer que le comportement est cohérent, quels que soient les paramètres de culture du système d’exploitation.If a security decision depends on a string comparison or a case change, you should use the InvariantCulture property to ensure that the behavior is consistent regardless of the culture settings of the operating system.

Notes

Lorsque cela est possible, vous devez appeler des méthodes de comparaison de chaînes qui CompareOptions ont un paramètre de type pour spécifier le type de comparaison attendu.When possible, you should call string comparison methods that have a parameter of type CompareOptions to specify the kind of comparison expected. En règle générale, utilisez les options linguistiques (à l’aide de la culture actuelle) pour comparer les chaînes affichées dans l' Ordinal interface OrdinalIgnoreCase utilisateur et spécifiez ou pour les comparaisons de sécurité.As a general rule, use linguistic options (using the current culture) for comparing strings displayed in the user interface and specify Ordinal or OrdinalIgnoreCase for security comparisons.

Notes pour les appelants

Les jeux de caractères incluent les caractères ignorables.Character sets include ignorable characters. La Compare(String, Int32, Int32, String, Int32, Int32, CompareOptions) méthode ne tient pas compte de ces caractères lorsqu’elle effectue une comparaison dépendante de la culture.The Compare(String, Int32, Int32, String, Int32, Int32, CompareOptions) method does not consider these characters when it performs a culture-sensitive comparison. Pour reconnaître les caractères ignorables dans votre comparaison, fournissez la Ordinal valeur OrdinalIgnoreCase ou pour options le paramètre.To recognize ignorable characters in your comparison, supply a value of Ordinal or OrdinalIgnoreCase for the options parameter.

Voir aussi

S’applique à