public static string StripHtmlComments(string html)
    {
        if (html == null)
...

// ** DO NOT USE **
// THIS IS BAD BROKEN CODE, ONLY DISPLAYED FOR BENCHMARKING PURPOSES!
if (!tagpaired[i] && !ignoredtags.Contains(tagname))
...

var ignoredtags = new List<String> { "p", "img", "br" };

if (!tagpaired[i] && !ignoredtags.Contains(tagname))
...

private static Regex _namedtags = new Regex
    (@"</?(?<tagname>\w+)[^>]*(\s|$|>)",
    RegexOptions.Singleline | RegexOptions.ExplicitCapture | RegexOptions.Compiled);
...

private static Regex _tags = new Regex("<[^>]*(>|$)",
    RegexOptions.Singleline | RegexOptions.ExplicitCapture | RegexOptions.Compiled);
private static Regex _whitelist = new Regex(@"
...