本文整理汇总了C#中System.String.LastIndexOfAny方法的典型用法代码示例。如果您正苦于以下问题：C# String.LastIndexOfAny方法的具体用法？C# String.LastIndexOfAny怎么用？C# String.LastIndexOfAny使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.String的用法示例。
在下文中一共展示了String.LastIndexOfAny方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
// Sample for String.LastIndexOfAny(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-1)/2;
Console.WriteLine("The last character occurrence from position {0} to 0.", start);
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);
if (at > -1)
Console.Write(at);
else
Console.Write("(not found)");
Console.Write("{0}{0}{0}", Environment.NewLine);
}
}输出：
The last character occurrence from position 33 to 0. 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: 12
示例2: Main
// 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);
}
}输出：
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
示例3: Main
// Sample for String.LastIndexOfAny(Char[])
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-1;
Console.WriteLine("The last character occurrence from position {0} to 0.", start);
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);
if (at > -1)
Console.Write(at);
else
Console.Write("(not found)");
Console.Write("{0}{0}{0}", Environment.NewLine);
}
}输出：
The last character occurrence from position 66 to 0. 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: 58
示例4: String.LastIndexOfAny(char[] myChars)
//引入命名空间
using System;
class MainClass
{
public static void Main()
{
string[] myStrings = {"To", "be", "or", "not", "to", "be"};
string myString = String.Join(".", myStrings);
char[] myChars = {'b', 'e'};
int index = myString.IndexOfAny(myChars);
Console.WriteLine("'b' and 'e' occur at index " + index + " of myString");
index = myString.LastIndexOfAny(myChars);
Console.WriteLine("'b' and 'e' last occur at index " + index + " of myString");
}
}