///

        /// 正则Url
        ///
        private static Regex urlregex = new Regex
                                        (
                                            @"(http:\/\/([\w.]+\/?)\S*)",
                                            RegexOptions.IgnoreCase | RegexOptions.Compiled
                                         );
        ///

        /// 正则email
        ///
        private static Regex emailregex = new Regex
                                          (
                                            @"([a-zA-Z_0-9.-]+\@[a-zA-Z_0-9.-]+\.\w+)",
                                            RegexOptions.IgnoreCase | RegexOptions.Compiled
                                          );



//

        //生成带连接的字符串
        //
        //需要生成带连接地址的字符串
        //经过转换的字符串
        public static string GetHyperlinkUrl(string link)
        ...{
            link = emailregex.Replace(link, "$1");
            link = urlregex.Replace(link, "$1");//
            return link;
        }