Replace characters : String Insert Replace « String « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. String
3. String Insert Replace

using System;  
  
class MainClass {  
  public static void Main() {  
    string str = "This is a test"; 
 
    Console.WriteLine("Original string: " + str); 
     
    // Replace characters 
    str = str.Replace('a', 'X'); 
    Console.WriteLine(str); 
 
  } 
}

Original string: This is a test
This is X test