Modified the handling of markdown links to now use Markdig

Fritz.Chatbot/Helpers/StringExtensions.cs

@@ -7,20 +7,10 @@ namespace Fritz.Chatbot.Helpers
 {
   public static class StringExtensions
   {
-		// private readonly static Regex _regex = new Regex(@"\[([\w\s?.-]+)\]\(((?:http:\/\/(www\.)?|https:\/\/(www\.)?|http:\/\/|https:\/\/)?[a-z0-9]+(?:[\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(?:[0-9]{1,5})?(?:\/.*)?)\)");
+
 		public static string HandleMarkdownLinks(this string value)
 		{
 
-			//foreach (Match match in _regex.Matches(value))
-			//{
-
-			//	var title = match.Groups[1]; // The link text (that between the [] in markdown)
-			//	var url = match.Groups[2];   // The url (that between the () in markdown)
-
-			//	value = value.Replace(match.Value, $"{title} found at {url} ").Replace("  ", " ");
-
-			//}
-
 			value = Markdig.Markdown.ToPlainText(value);
 
 			value = value.Replace("\n", " ");