Get Title and Meta Description tag from an url c#

//First you need to retrieve html source of the given url
//Get Url Title
private string UrlTitle(string url)
        {
            string source = HtmlSrc(url);
            string title = Regex.Match(source, @"\<title\b[^>]*\>\s*(?<Title>[\s\S]*?)\</title\>", RegexOptions.IgnoreCase).Groups["Title"].Value;

            return title;
        }

//Get Url Meta Description tag
private string GetMetaTagValuesUtf8(string url) // use HTML Agility, run good with all page which have Meta Desc tag
        {
            //Get Meta Tags
            try
            {
                string src = string.Empty;

                try
                {
                    src = HtmlSrc(url);
                }
                catch
                {
                    return "cannot connect";
                }

                string tempSrc = src.Replace("<div", "|<div");
                tempSrc = Replace(tempSrc, " ");
                tempSrc = tempSrc.Trim();

                var doc = new HtmlAgilityPack.HtmlDocument();
                doc.LoadHtml(tempSrc.Replace("<", " <"));

                try
                {
                    var metaTags = doc.DocumentNode.SelectNodes("//meta");

                    if (metaTags != null)
                    {
                        foreach (var tag in metaTags)
                        {
                            if (((tag.Attributes["name"] != null) || (tag.Attributes["Name"] != null) || (tag.Attributes["NAME"] != null)) && ((tag.Attributes["content"] != null) || (tag.Attributes["Content"] != null) || (tag.Attributes["CONTENT"] != null)) && ((tag.Attributes["name"].Value == "description") || (tag.Attributes["name"].Value == "Description") || (tag.Attributes["name"].Value == "DESCRIPTION") || (tag.Attributes["Name"].Value == "description") || (tag.Attributes["Name"].Value == "Description") || (tag.Attributes["Name"].Value == "DESCRIPTION") || (tag.Attributes["NAME"].Value == "description") || (tag.Attributes["NAME"].Value == "Description") || (tag.Attributes["NAME"].Value == "DESCRIPTION")))
                            {
                                string temp = tag.Attributes["content"].Value;
                                if (temp == null) temp = tag.Attributes["Content"].Value;
                                if (temp == null) temp = tag.Attributes["CONTENT"].Value;
                                return temp;
                            }
                        }
                    }
                }
                catch
                {
                    return "null";
                }
            }
            catch
            {
                return "null";
            }
            return "null";
        }