public static string Sanitize(string input)
{
if (input.Trim().Length < 1)
{
return(string.Empty);
}
var htmlDocument = new HtmlDocument();
htmlDocument.LoadHtml(input);
SanitizeNode(htmlDocument.DocumentNode);
string xPath = HtmlSanitizer.CreateXPath();
return(StripHtml(htmlDocument.DocumentNode.WriteTo().Trim(), xPath));
}