1 /// <summary>
 2         /// 獲得字符串中開始和結束字符串中間得值
 3         /// </summary>
 4         /// <param name="str">字符串</param>
 5         /// <param name="s">開始</param>
 6         /// <param name="e">結束</param>
 7         /// <returns></returns> 
 8         public static
 
 string GetMidValue(string str, string s, string e)
 9         {
10             Regex rg = new Regex("(?<=(" + s + "))[.\\s\\S]*?(?=(" + e + "))", RegexOptions.Multiline | RegexOptions.Singleline);
11             return s.Trim(‘\\‘) + rg.Match(str).Value + e.Trim(‘\\‘);
12         }

獲得字符串中開始和結束字符串中間得值