// C# Extension Method
// Doc: https://csharp-extension.com/en/method/1002082/string-leftsafe
// @nuget: Z.ExtensionMethods
using System;
public class Program
{
public static void Main()
string input = "OneTwoThree";
// C# Extension Method: String - LeftSafe
string newStr = input.LeftSafe(6);
Console.WriteLine(newStr);
newStr = input.LeftSafe(16);
}