Replace() - Method

Replace() Method

The Replace() Method is used to replace a substring with the new one.

Example :

public class MyApplication
{
    public static void Main(string[] args)
    {
       	var x = "Hello Beautiful World";
	    var y = x.Replace("Beautiful", "Wonderful");
	 
        System.Console.WriteLine(y);
     }
}

Output :

Hello Wonderful World

In the above code, we have declared a String Hello Beautiful World and assigned it to a variable x.

var x = "Hello Beautiful World";

And we would be replacing Beautiful with Wonderful, from the String, Hello Beautiful World.

So, we have used the Replace() Method to replace Beautiful with Wonderful.

var y = x.Replace("Beautiful", "Wonderful");

As we can see, there are 2 parameters in the Replace("Beautiful", "Wonderful") function.

And thus the substring Beautiful is searched in the String, Hello Beautiful World. When found, Beautiful is replaced with Wonderful. And 1 means exactly 1 occurrence of the substring Beautiful is replaced with Wonderful(We will understand it later in this tutorial).

And the new String becomes,

Hello Wonderful World

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