C# String IndexOf(String, Int32)

Description

String IndexOf(String, Int32) reports the zero-based index of the first occurrence of the specified string in this instance. The search starts at a specified character position.

Syntax

String.IndexOf(String, Int32) has the following syntax.

public int IndexOf(
  string value,
  int startIndex
)

Parameters

String.IndexOf(String, Int32) has the following parameters.

• value - The string to seek.
• startIndex - The search starting position.

Returns

String.IndexOf(String, Int32) 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 startIndex.

Example

using System;//www  .  j  a  va2s  .  c om

public class Example
{
   public static void Main()
   {
      string searchString = "\u00ADm";
      string s1 = "ani\u00ADmal" ;
      string s2 = "animal";

      Console.WriteLine(s1.IndexOf(searchString, 2));
      Console.WriteLine(s2.IndexOf(searchString, 2));
   }
}

The code above generates the following result.