using System;

public class Program

{

    public static void Main()

    {

        string[] myArray = new string[3];

            myArray[0] = "Hello World";

            myArray[1] = "This is a sample code";

            myArray[2] = "Delete me";

        foreach(var s in myArray) {

            Console.WriteLine(s);

        }

        Console.WriteLine("=================");

        // One specific entry

        myArray[1] = myArray[1].Replace("code", "");

        foreach(var s in myArray) {

            Console.WriteLine(s);

        }

        Console.WriteLine("=================");

        // All entries

        for(int i = 0; i < myArray.Length; i++) {

            myArray[i] = myArray[i].Replace("code", "");

        }       

        foreach(var s in myArray) {

            Console.WriteLine(s);

        }

​

    }

}