C# String IndexOf(String)

Description

String IndexOf(String) reports the zero-based index of the first occurrence of the specified string in this instance.

Syntax

String.IndexOf(String) has the following syntax.

public int IndexOf(
  string value
)

Parameters

String.IndexOf(String) has the following parameters.

• value - The string to seek.

Returns

String.IndexOf(String) method returns The zero-based index position of value if that string is found, or -1 if it is not. If value is String.Empty, the return value is 0.

Example

The following code shows how to use String.IndexOf(String) method.

/*from   ww  w .ja  va  2s. c  o m*/
using System;

public class Example
{
   public static void Main()
   {
      string s1 = "ani\u00ADmal";
      string s2 = "animal";

      Console.WriteLine(s1.IndexOf("\u00AD"));
   }
}

The code above generates the following result.