C# String LastIndexOfAny() method

by Online Tutorials Library July 22, 2022

C# String LastIndexOfAny()

The C# LastIndexOfAny() method is used to find index position of the last occurrence of one or more characters specified in this string.

Signature

 public int LastIndexOfAny(Char[] ch) public int LastIndexOfAny(Char[], Int32) public int LastIndexOfAny(Char[], Int32, Int32) 

Parameter

ch: it is a character type array.

Return

It returns integer value.

C# String LastIndexOfAny() Method Example

     using System;      public class StringExample       {           public static void Main(string[] args)           {              string s1 = “abracadabra”;            char[] ch = {‘r’,’b’};            int index = s1.LastIndexOfAny(ch);//Finds ‘r’ at the last            Console.WriteLine(index);         }       }   

Output:

C# String LastIndexOfAny() Method Example 2

     using System;      public class StringExample       {           public static void Main(string[] args)           {              string s1 = “abracadabra”;            char[] ch = {‘t’,’b’};            int index = s1.LastIndexOfAny(ch);//Finds ‘b’ at the last            Console.WriteLine(index);         }       }   

Output:

Next TopicC# String PadLeft()

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