using System;

using System.Web;

using System.Text.Encodings.Web;

using System.Text.Unicode;

public class Program

{

    public static void Main()

    {

        var str = HttpUtility.UrlEncode("javascript:alert('xss');");

        Console.WriteLine(str);

        var js = HttpUtility.JavaScriptStringEncode("javascript:alert('XSS');");

        Console.WriteLine(js);

                var js3 = "js3" + HttpUtility.JavaScriptStringEncode("javascript:alert('XSS');");

        Console.WriteLine(js3);

        var s = HttpUtility.UrlEncode("/blog2/media/cat6.jpg");

        Console.WriteLine(s);

        var js2 = HttpUtility.JavaScriptStringEncode("/blog2/media/justanàccent.jpeg?width=100");

        Console.WriteLine(js2);

        var ht = HttpUtility.HtmlEncode("/blog2/media/cat6.jpg?width=100");

        Console.WriteLine(ht);

        var ht2 = HttpUtility.HtmlEncode("javascript:alert('XSS');");

        Console.WriteLine(ht2);

        var url1 = UrlEncoder.Default.Encode("/blog2/media/justanàccent.jpeg?width=100");

        Console.WriteLine(url1);

        //          UnicodeRanges.Latin1Supplement,

        var encoder = JavaScriptEncoder.Create(allowedRanges: new[] { 

​

            UnicodeRanges.BasicLatin 

        });

        var output = encoder.Encode("België");

        Console.WriteLine(output);

        //UnicodeRanges.Latin1Supplement

        var htmlEncoder = HtmlEncoder.Create(allowedRanges: new[] { UnicodeRanges.BasicLatin

                                             });

        var hOutput = htmlEncoder.Encode("België");

        Console.WriteLine(hOutput);

        var util = HttpUtility.HtmlEncode("België");

        Console.WriteLine(util);

    }

}