public String ReplaceLink(String pubh_desc)
    {
        System.Text.RegularExpressions.MatchCollection matchs = Regex.Matches(pubh_desc, "<a[^>]*href=(['\"]?)(?<url>(?:\\\\\"|[^\"'\\s>])*)\\1[^>]*>(?<text>[\\s\\S]*?)</a>", RegexOptions.IgnoreCase);
        for (int i = 0; i < matchs.Count; i++)
        {
            string str = matchs[i].Groups["url"].ToString();
            if (!string.IsNullOrEmpty(str) && !str.Equals("#"))
            {
                String[] urls = str.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
                String SpitUrl = String.Empty;
                if (urls != null && urls.Length > 1)
                {
                    SpitUrl = urls[1];
                }
                pubh_desc = pubh_desc.Replace(matchs[i].Value, string.Format("<a href=\"javascript:void(0)\">{0}</a>", matchs[i].Groups["text"]));
            }
        }
        return pubh_desc;
    }