String.LastIndexOfAny メソッド
Unicode 配列内の指定した 1 つ以上の文字がこのインスタンスで最後に見つかったインデックス位置をレポートします。
オーバーロードの一覧
Unicode 配列内の指定した 1 つ以上の文字がこのインスタンスで最後に見つかったインデックス位置をレポートします。
.NET Compact Framework でもサポート。
[Visual Basic] Overloads Public Function LastIndexOfAny(Char()) As Integer
Unicode 配列内の指定した 1 つ以上の文字がこのインスタンスで最後に見つかったインデックス位置をレポートします。検索は、指定した文字位置から開始されます。
.NET Compact Framework でもサポート。
[Visual Basic] Overloads Public Function LastIndexOfAny(Char(), Integer) As Integer
[JScript] public function LastIndexOfAny(Char[], int) : int;
Unicode 配列内の指定した 1 つ以上の文字がこのインスタンスで最後に見つかったインデックス位置をレポートします。検索は指定した文字位置から開始され、指定した数の文字位置が検査されます。
.NET Compact Framework でもサポート。
[Visual Basic] Overloads Public Function LastIndexOfAny(Char(), Integer, Integer) As Integer
[C++] public: int LastIndexOfAny(__wchar_t __gc[], int, int);
[JScript] public function LastIndexOfAny(Char[], int, int) : int;
使用例
[Visual Basic, C#, C++] メモ ここでは、LastIndexOfAny のオーバーロード形式のうちの 1 つだけについて、使用例を示します。その他の例については、各オーバーロード形式のトピックを参照してください。
' Sample for String.LastIndexOfAny(Char[], Int32, Int32)
Imports System
_
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) * 2 / 3
count =(str.Length - 1) / 3
Console.WriteLine("The last 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.LastIndexOfAny(anyOf, start, count)
If at > - 1 Then
Console.Write(at)
Else
Console.Write("(not found)")
End If
Console.Write("{0}{0}{0}", Environment.NewLine)
End Sub 'Main
End Class 'Sample
'
'This example produces the following results:
'The last character occurrence from position 44 for 22 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
'
[C#]
// Sample for String.LastIndexOfAny(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)*2)/3;
count = (str.Length-1)/3;
Console.WriteLine("The last 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.LastIndexOfAny(anyOf, start, count);
if (at > -1)
Console.Write(at);
else
Console.Write("(not found)");
Console.Write("{0}{0}{0}", Environment.NewLine);
}
}
/*
This example produces the following results:
The last character occurrence from position 44 for 22 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
*/
[C++]
// Sample for String::LastIndexOfAny(Char[], Int32, Int32)
#using <mscorlib.dll>
using namespace System;
int main()
{
String* br1 = S"0----+----1----+----2----+----3----+----4----+----5----+----6----+-";
String* br2 = S"0123456789012345678901234567890123456789012345678901234567890123456";
String* str = S"Now is the time for all good men to come to the aid of their party.";
int start;
int at;
int count;
String* target = S"aid";
Char anyOf[] = target->ToCharArray();
start = ((str->Length-1)*2)/3;
count = (str->Length-1)/3;
Console::WriteLine(S"The last character occurrence from position {0} for {1} characters.", __box(start), __box(count));
Console::WriteLine(S"{1}{0}{2}{0}{3}{0}", Environment::NewLine, br1, br2, str);
Console::Write(S"A character in '{0}' occurs at position: ", target);
at = str->LastIndexOfAny(anyOf, start, count);
if (at > -1)
Console::Write(__box(at));
else
Console::Write(S"(not found)");
Console::Write(S"{0}{0}{0}", Environment::NewLine);
}
/*
This example produces the following results:
The last character occurrence from position 44 for 22 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
*/
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