using System;

using System.Net;

using System.Text.Encodings.Web;

public class Program

{

    public static void Main()

    {

        var text = "HTML Encoder: test <b> & ; \n test \n uuuu <script> alert('Inject Script'); </script>";

        var san = WebUtility.HtmlEncode(text);

        Console.WriteLine(san);

        text = "JavaScript Encoder: test <b> & ; \n test \n uuuu <script> alert('Inject Script'); </script>";

        san = JavaScriptEncoder.Default.Encode(text);

        Console.WriteLine(san);

        text = @"JavaScript Encoder: aaaa

        bbbb

        cccc

        ";

        san = JavaScriptEncoder.Default.Encode(text);

        Console.WriteLine(san);

    }

}