String.IndexOfAny Metoda

public:
 int IndexOfAny(cli::array <char> ^ anyOf);

public int IndexOfAny (char[] anyOf);

member this.IndexOfAny : char[] -> int

Public Function IndexOfAny (anyOf As Char()) As Integer

Parametry

Zwraca

Int32

Pozycja indeksu od zera pierwszego wystąpienia w tym wystąpieniu, w którym znaleziono dowolny znak w anyOf .-1, jeśli nie znaleziono żadnego znaku anyOf .The zero-based index position of the first occurrence in this instance where any character in anyOf was found; -1 if no character in anyOf was found.

Wyjątki

Przykłady

Poniższy przykład odnajduje pierwsze samogłosy w ciągu.The following example finds the first vowel in a string.

using System;

public class Example
{
   public static void Main()
   {
      char[] chars = { 'a', 'e', 'i', 'o', 'u', 'y', 
                       'A', 'E', 'I', 'O', 'U', 'Y' };
      String s = "The long and winding road...";
      Console.WriteLine("The first vowel in \n   {0}\nis found at position {1}", 
                        s, s.IndexOfAny(chars) + 1);                         
   }
}
// The example displays the following output:
//       The first vowel in
//          The long and winding road...
//       is found at position 3

Module Example
   Public Sub Main()
      Dim chars() As Char = { "a"c, "e"c, "i"c, "o"c, "u"c, "y"c, 
                              "A"c, "E"c, "I"c, "O"c, "U"c, "Y"c }
      Dim s As String = "The long and winding road..."
      Console.WriteLine("The first vowel in {2}   {0}{2}is found at position {1}", 
                        s, s.IndexOfAny(chars) + 1, vbCrLf)                         
   End Sub
End Module
' The example displays the following output:
'       The first vowel in
'          The long and winding road...
'       is found at position 3

Uwagi

Indeks numerowania rozpoczyna się od zera.Index numbering starts from zero.

W wyszukiwaniu anyOf jest rozróżniana wielkość liter.The search for anyOf is case-sensitive. Jeśli anyOf jest tablicą pustą, Metoda znajduje dopasowanie na początku ciągu (czyli przy indeksie zero).If anyOf is an empty array, the method finds a match at the beginning of the string (that is, at index zero).

Ta metoda przeprowadza wyszukiwanie porządkowe (niewrażliwość na ustawienia kulturowe), gdzie znak jest uważany za równoważny innemu znakowi tylko wtedy, gdy ich wartości skalarne Unicode są takie same.This method performs an ordinal (culture-insensitive) search, where a character is considered equivalent to another character only if their Unicode scalar values are the same. Aby przeprowadzić wyszukiwanie z uwzględnieniem kultur, użyj CompareInfo.IndexOf metody, gdzie wartość skalarna Unicode reprezentująca znak przedtworzony, taka jak ligatury "Æ" (u + 00C6), może być uważana za odpowiednik dowolnego wystąpienia składników znaku w poprawnej sekwencji, takiej jak "AE" (u + 0041, U + 0045), w zależności od kultury.To perform a culture-sensitive search, use the CompareInfo.IndexOf method, where a Unicode scalar value representing a precomposed character, such as the ligature "Æ" (U+00C6), might be considered equivalent to any occurrence of the character's components in the correct sequence, such as "AE" (U+0041, U+0045), depending on the culture.

Zobacz też

• IndexOf(Char)
• LastIndexOf(Char)
• LastIndexOfAny(Char[])

public:
 int IndexOfAny(cli::array <char> ^ anyOf, int startIndex);

public int IndexOfAny (char[] anyOf, int startIndex);

member this.IndexOfAny : char[] * int -> int

Public Function IndexOfAny (anyOf As Char(), startIndex As Integer) As Integer

Parametry

Zwraca

Int32

Pozycja indeksu od zera pierwszego wystąpienia w tym wystąpieniu, w którym znaleziono dowolny znak w anyOf .-1, jeśli nie znaleziono żadnego znaku anyOf .The zero-based index position of the first occurrence in this instance where any character in anyOf was found; -1 if no character in anyOf was found.

Wyjątki

Przykłady

Poniższy przykład znajduje indeks wystąpienia dowolnego znaku ciągu "is" w podciągu innego ciągu.The following example finds the index of the occurrence of any character of the string "is" within a substring of another string.

// Sample for String::IndexOfAny(Char[], Int32)
using namespace System;
int main()
{
   String^ br1 = "0----+----1----+----2----+----3----+----4----+----5----+----6----+-";
   String^ br2 = "0123456789012345678901234567890123456789012345678901234567890123456";
   String^ str = "Now is the time for all good men to come to the aid of their party.";
   int start;
   int at;
   String^ target = "is";
   array<Char>^anyOf = target->ToCharArray();
   start = str->Length / 2;
   Console::WriteLine();
   Console::WriteLine( "The first character occurrence from position {0} to {1}.", start, str->Length - 1 );
   Console::WriteLine( "{1}{0}{2}{0}{3}{0}", Environment::NewLine, br1, br2, str );
   Console::Write( "A character in '{0}' occurs at position: ", target );
   at = str->IndexOfAny( anyOf, start );
   if ( at > -1 )
      Console::Write( at );
   else
      Console::Write( "(not found)" );

   Console::WriteLine();
}

/*

The first character occurrence from position 33 to 66.
0----+----1----+----2----+----3----+----4----+----5----+----6----+-
0123456789012345678901234567890123456789012345678901234567890123456
Now is the time for all good men to come to the aid of their party.

A character in 'is' occurs at position: 49

*/

// Sample for String.IndexOfAny(Char[], Int32)
using System;

class Sample {
    public static void Main()
    {
    string br1 = "0----+----1----+----2----+----3----+----4----+----5----+----6----+-";
    string br2 = "0123456789012345678901234567890123456789012345678901234567890123456";
    string str = "Now is the time for all good men to come to the aid of their party.";
    int start;
    int at;
    string target = "is";
    char[] anyOf = target.ToCharArray();

    start = str.Length/2;
    Console.WriteLine();
    Console.WriteLine("The first character occurrence from position {0} to {1}.",
                           start, str.Length-1);
    Console.WriteLine("{1}{0}{2}{0}{3}{0}", Environment.NewLine, br1, br2, str);
    Console.Write("A character in '{0}' occurs at position: ", target);

    at = str.IndexOfAny(anyOf, start);
    if (at > -1)
        Console.Write(at);
    else
        Console.Write("(not found)");
    Console.WriteLine();
    }
}
/*

The first character occurrence from position 33 to 66.
0----+----1----+----2----+----3----+----4----+----5----+----6----+-
0123456789012345678901234567890123456789012345678901234567890123456
Now is the time for all good men to come to the aid of their party.

A character in 'is' occurs at position: 49

*/

' Sample for String.IndexOfAny(Char[], Int32)
Class Sample
   Public Shared Sub Main()
      Dim br1 As String = "0----+----1----+----2----+----3----+----4----+----5----+----6----+-"
      Dim br2 As String = "0123456789012345678901234567890123456789012345678901234567890123456"
      Dim str As String = "Now is the time for all good men to come to the aid of their party."
      Dim start As Integer
      Dim at As Integer
      Dim target As String = "is"
      Dim anyOf As Char() = target.ToCharArray()
      
      start = str.Length / 2
      Console.WriteLine()
      Console.WriteLine("Search for a character occurrence from position {0} to {1}.", _
                           start, str.Length - 1)
      Console.WriteLine("{1}{0}{2}{0}{3}{0}", Environment.NewLine, br1, br2, str)
      Console.Write("A character in '{0}' occurs at position: ", target)
      at = str.IndexOfAny(anyOf, start)
      If at > - 1 Then
         Console.Write(at)
      Else
         Console.Write("(not found)")
      End If
      Console.WriteLine()
   End Sub
End Class
'
'
'Search for a character occurrence from position 33 to 66.
'0----+----1----+----2----+----3----+----4----+----5----+----6----+-
'0123456789012345678901234567890123456789012345678901234567890123456
'Now is the time for all good men to come to the aid of their party.
'
'A character in 'is' occurs at position: 49
'

Uwagi

Indeks numerowania rozpoczyna się od zera.Index numbering starts from zero. Parametr może napadać startIndex w zakresie od 0 do jednego, który jest mniejszy niż długość wystąpienia ciągu.The startIndex parameter can range from 0 to one less than the length of the string instance.

Wyszukiwanie zakresów od startIndex do końca ciągu.The search ranges from startIndex to the end of the string.

W wyszukiwaniu anyOf jest rozróżniana wielkość liter.The search for anyOf is case-sensitive.

Ta metoda przeprowadza wyszukiwanie porządkowe (bez uwzględniania ustawień kulturowych), gdzie znak jest uważany za równoważny innemu znakowi tylko wtedy, gdy ich wartość skalarna Unicode jest taka sama.This method performs an ordinal (culture-insensitive) search, where a character is considered equivalent to another character only if their Unicode scalar value are the same. Aby przeprowadzić wyszukiwanie z uwzględnieniem kultur, użyj CompareInfo.IndexOf metody, gdzie wartość skalarna Unicode reprezentująca znak przedtworzony, taka jak ligatury "Æ" (u + 00C6), może być uważana za odpowiednik dowolnego wystąpienia składników znaku w poprawnej sekwencji, takiej jak "AE" (u + 0041, U + 0045), w zależności od kultury.To perform a culture-sensitive search, use the CompareInfo.IndexOf method, where a Unicode scalar value representing a precomposed character, such as the ligature "Æ" (U+00C6), might be considered equivalent to any occurrence of the character's components in the correct sequence, such as "AE" (U+0041, U+0045), depending on the culture.

Zobacz też

• Char
• Int32
• Array
• IndexOf(Char)
• LastIndexOf(Char)
• LastIndexOfAny(Char[])

public:
 int IndexOfAny(cli::array <char> ^ anyOf, int startIndex, int count);

public int IndexOfAny (char[] anyOf, int startIndex, int count);

member this.IndexOfAny : char[] * int * int -> int

Public Function IndexOfAny (anyOf As Char(), startIndex As Integer, count As Integer) As Integer

Parametry

Zwraca

Int32

Pozycja indeksu od zera pierwszego wystąpienia w tym wystąpieniu, w którym znaleziono dowolny znak w anyOf .-1, jeśli nie znaleziono żadnego znaku anyOf .The zero-based index position of the first occurrence in this instance where any character in anyOf was found; -1 if no character in anyOf was found.

Wyjątki

Przykłady

Poniższy przykład znajduje indeks wystąpienia dowolnego znaku ciągu "pomoc" w podciągu innego ciągu.The following example finds the index of the occurrence of any character of the string "aid" within a substring of another string.

// Sample for String::IndexOfAny(Char[], Int32, Int32)
using namespace System;
int main()
{
   String^ br1 = "0----+----1----+----2----+----3----+----4----+----5----+----6----+-";
   String^ br2 = "0123456789012345678901234567890123456789012345678901234567890123456";
   String^ str = "Now is the time for all good men to come to the aid of their party.";
   int start;
   int at;
   int count;
   String^ target = "aid";
   array<Char>^anyOf = target->ToCharArray();
   start = (str->Length - 1) / 3;
   count = (str->Length - 1) / 4;
   Console::WriteLine();
   Console::WriteLine( "The first character occurrence from position {0} for {1} characters.", start, count );
   Console::WriteLine( "{1}{0}{2}{0}{3}{0}", Environment::NewLine, br1, br2, str );
   Console::Write( "A character in '{0}' occurs at position: ", target );
   at = str->IndexOfAny( anyOf, start, count );
   if ( at > -1 )
      Console::Write( at );
   else
      Console::Write( "(not found)" );

   Console::WriteLine();
}

/*

The first character occurrence from position 22 for 16 characters.
0----+----1----+----2----+----3----+----4----+----5----+----6----+-
0123456789012345678901234567890123456789012345678901234567890123456
Now is the time for all good men to come to the aid of their party.

A character in 'aid' occurs at position: 27

*/

// Sample for String.IndexOfAny(Char[], Int32, Int32)
using System;

class Sample {
    public static void Main()
    {
    string br1 = "0----+----1----+----2----+----3----+----4----+----5----+----6----+-";
    string br2 = "0123456789012345678901234567890123456789012345678901234567890123456";
    string str = "Now is the time for all good men to come to the aid of their party.";
    int start;
    int at;
    int count;
    string target = "aid";
    char[] anyOf = target.ToCharArray();

    start = (str.Length-1)/3;
    count = (str.Length-1)/4;
    Console.WriteLine();
    Console.WriteLine("The first character occurrence from position {0} for {1} characters.", start, count);
    Console.WriteLine("{1}{0}{2}{0}{3}{0}", Environment.NewLine, br1, br2, str);
    Console.Write("A character in '{0}' occurs at position: ", target);

    at = str.IndexOfAny(anyOf, start, count);
    if (at > -1)
        Console.Write(at);
    else
        Console.Write("(not found)");
    Console.WriteLine();
    }
}
/*

The first character occurrence from position 22 for 16 characters.
0----+----1----+----2----+----3----+----4----+----5----+----6----+-
0123456789012345678901234567890123456789012345678901234567890123456
Now is the time for all good men to come to the aid of their party.

A character in 'aid' occurs at position: 27

*/

' Sample for String.IndexOfAny(Char[], Int32, Int32)
Class Sample
   Public Shared Sub Main()
      Dim br1 As String = "0----+----1----+----2----+----3----+----4----+----5----+----6----+-"
      Dim br2 As String = "0123456789012345678901234567890123456789012345678901234567890123456"
      Dim str As String = "Now is the time for all good men to come to the aid of their party."
      Dim start As Integer
      Dim at As Integer
      Dim count As Integer
      Dim target As String = "aid"
      Dim anyOf As Char() = target.ToCharArray()
      
      start =(str.Length - 1) / 3
      count =(str.Length - 1) / 4
      Console.WriteLine()
      Console.WriteLine("The first character occurrence from position {0} for {1} characters.", start, count)
      Console.WriteLine("{1}{0}{2}{0}{3}{0}", Environment.NewLine, br1, br2, str)
      Console.Write("A character in '{0}' occurs at position: ", target)
      
      at = str.IndexOfAny(anyOf, start, count)
      If at > - 1 Then
         Console.Write(at)
      Else
         Console.Write("(not found)")
      End If
      Console.WriteLine()
   End Sub
End Class
'
'The first character occurrence from position 22 for 16 characters.
'0----+----1----+----2----+----3----+----4----+----5----+----6----+-
'0123456789012345678901234567890123456789012345678901234567890123456
'Now is the time for all good men to come to the aid of their party.
'
'A character in 'aid' occurs at position: 27
'

Uwagi

Wyszukiwanie rozpocznie się o startIndex startIndex + count -1.The search begins at startIndex and continues to startIndex + count -1. Znak startIndex + count nie jest uwzględniany w wyszukiwaniu.The character at startIndex + count is not included in the search.

Indeks numerowania rozpoczyna się od zera.Index numbering starts from zero. Parametr może napadać startIndex w zakresie od 0 do jednego, który jest mniejszy niż długość wystąpienia ciągu.The startIndex parameter can range from 0 to one less than the length of the string instance.

W wyszukiwaniu anyOf jest rozróżniana wielkość liter.The search for anyOf is case-sensitive.

Ta metoda przeprowadza wyszukiwanie porządkowe (bez uwzględniania ustawień kulturowych), gdzie znak jest uważany za równoważny innemu znakowi tylko wtedy, gdy ich wartość skalarna Unicode jest taka sama.This method performs an ordinal (culture-insensitive) search, where a character is considered equivalent to another character only if their Unicode scalar value are the same. Aby przeprowadzić wyszukiwanie z uwzględnieniem kultur, użyj CompareInfo.IndexOf metody, gdzie wartość skalarna Unicode reprezentująca znak przedtworzony, taka jak ligatury "Æ" (u + 00C6), może być uważana za odpowiednik dowolnego wystąpienia składników znaku w poprawnej sekwencji, takiej jak "AE" (u + 0041, U + 0045), w zależności od kultury.To perform a culture-sensitive search, use the CompareInfo.IndexOf method, where a Unicode scalar value representing a precomposed character, such as the ligature "Æ" (U+00C6), might be considered equivalent to any occurrence of the character's components in the correct sequence, such as "AE" (U+0041, U+0045), depending on the culture.

Zobacz też

• Char
• Int32
• Array
• IndexOf(Char)
• LastIndexOf(Char)
• LastIndexOfAny(Char[])