The C# IndexOf method is employed to retrieve the position of a particular character within a string, providing the index as an integer value.
Signature
Example
public int IndexOf(Char ch)
public int IndexOf(Char, Int32)
public int IndexOf(Char, Int32, Int32)
public int IndexOf(String)
public int IndexOf(String, Int32)
public int IndexOf(String, Int32, Int32)
public int IndexOf(String, Int32, Int32, StringComparision)
public int IndexOf(String, Int32, StringComparision)
public int IndexOf(String, StringComparision)
Parameters
ch: it is a character type parameter.
Return
It returns an integer value.
C# String IndexOf Method Example
Example
using System;
public class StringExample
{
public static void Main(string[] args)
{
string s1 = "Hello C#";
int index = s1.IndexOf('e');
Console.WriteLine(index);
}
}
Output:
