Automatic.URLFollow.FollowYouTube C# (CSharp) 메소드

        string FollowYouTube(string videoID)
        {
            string url = "https://gdata.youtube.com/feeds/api/videos/" + videoID + "?v=2&key=AI39si4LaIHfBlDmxNNRIqZjXYlDgVTmUVa7p8dSE8_bI45a9leskPQKauV7qi-qmAqjf6zjTdhwAfJxOfkxNcYOmloh8B1X9Q";

            URL.WebPage page;
            try
            {
                page = URL.FetchURL(url);
            }
            catch (System.Exception ex)
            {
                Logger.Write(ex.Message + "\n" + url, Settings.Instance.ErrorFile);
                return null;
            }

            Match titleMatch = Regex.Match(page.Page, @"<title>([^<]+?)</title><content");

            if (titleMatch.Success)
            {
                Match lengthMatch = Regex.Match(page.Page, @"<yt:duration seconds='([0-9]+?)'/>");
                Match descriptionMatch = Regex.Match(page.Page, @"<media:description type='plain'>([^<]+?)</media:description>");

                string title = HttpUtility.HtmlDecode(titleMatch.Groups[1].Value);
                TimeSpan lengthSpan = TimeSpan.FromSeconds( Int32.Parse(lengthMatch.Groups[1].Value) );
                string length = (lengthSpan.Hours > 0 ? lengthSpan.Hours.ToString() + ":" : String.Empty);
                length += lengthSpan.Minutes.ToString("D2") + ":" + lengthSpan.Seconds.ToString("D2");
                string description = URL.StripHTML( HttpUtility.HtmlDecode(descriptionMatch.Groups[1].Value) );
                description = StringUtils.ReplaceNewlines(description, " ");
                if (description.Length > 150)
                    description = description.Substring(0, 147) + "...";

                return title + " | " + length + " | " + description;
            }
            return null;
        }