using System;

using Ganss.XSS;

​

public class Program

{

    public static void Main()

    {

        var allowedTags = new[]{"LineBreak", "Link"};

        var allowedAttributes = new[]{"attr"};

        var sanitizer = new HtmlSanitizer(allowedTags: allowedTags, allowedAttributes: allowedAttributes);

        //sanitizer.

        var html = @"<script>alert('xss')</script><div onload=""alert('xss')""" + @"style=""background-color: test"">Test<img src=""test.gif""" + @"style=""background-image: url(javascript:alert('xss')); margin: 10px""></div>

        <LineBreak></LineBreak>

        <Link attr=""v123""/>";

        var sanitized = sanitizer.Sanitize(html);

        Console.WriteLine(sanitized);

    }

}