// C# Extension Method
// Doc: https://csharp-extension.com/en/method/1002088/string-rightsafe
// @nuget: Z.ExtensionMethods
using System;
public class Program
{
public static void Main()
string input = "OneTwoThree";
// C# Extension Method: String - RightSafe
string newStr = input.RightSafe(5);
Console.WriteLine(newStr);
newStr = input.RightSafe(15);
}