using System;

using System.Diagnostics;

using System.Text.RegularExpressions;

using Humanizer;

public class Program

{

    public static void Main()

    {

        var message = "Hello World Hello world hello world \n hello hello";

        StringReplace(message);

        RegexReplace(message);

    }

    public static void StringReplace(string input)

    {

        var stopWatch = new Stopwatch();

        stopWatch.Start();

        var output = input.Replace("\n", "").Replace(" ", "");

        stopWatch.Stop();

        Console.WriteLine($"String Replace: {output} in {stopWatch.Elapsed}({stopWatch.Elapsed.Humanize()})");

    }

    public static void RegexReplace(string input)

    {

        var stopWatch = new Stopwatch();

        stopWatch.Start();

        var output = Regex.Replace(input, @"\s+", "");

        stopWatch.Stop();

        Console.WriteLine($"         Regex: {output} in {stopWatch.Elapsed}({stopWatch.Elapsed.Humanize()})");

    }

}