一个字符串中有多个 ,取每个 的src地址

#region 获得图片的路径并存放
        /// <summary>
        /// 获得图片的路径并存放
        /// </summary>
        /// <param name="M_Content">要检索的内容</param>
        /// <returns>IList</returns>
        public static IList<string> GetPicPath(string M_Content)
        {
            IList<string> im = new List<string>();//定义一个泛型字符类
            Regex reg = new Regex(@"<img.*?src=""(?<src>[^""]*)""[^>]*>", RegexOptions.IgnoreCase);
            MatchCollection mc = reg.Matches(M_Content); //设定要查找的字符串
            foreach(Match m in mc)
            {
                im.Add(m.Groups["src"].Value);
            }
            return im;
         
        }
        /// <summary>
        /// 获得图片的路径并存放
        /// </summary>
        /// <param name="M_Content">要检索的内容</param>
        /// <returns>Hashtable</returns>
        public static Hashtable getPicPath(string M_Content)
        {
            Hashtable hs = new Hashtable();//构造Hashtable
            Regex reg = new Regex(@"<img.*?src=""(?<src>[^""]*)""[^>]*>", RegexOptions.IgnoreCase);
            MatchCollection mc = reg.Matches(M_Content);
            int i = 0;
            foreach (Match m in mc)
            {
                i++;
                hs.Add(i, m.Groups["src"].Value);//添加到Hashtable
            }
            return hs;
        }
        #endregion