how to remove using in c# code example

Example: c# remove

//using System;
string myString = "Hello Grepper Developers";

//Removing all characters starting from a position
string newStr = myString.Remove(5);
	//Output: Hello

//Removes a specified number of characters after starting from a position
string newStr2 = myString.Remove(5, 8);
	//Output: Hello Developers