求正则式提取数据。

                                                  正则                                              
[解决办法]
 string tempStr = File.ReadAllText(@"C:\Users\myx\Desktop\Test.txt", Encoding.GetEncoding("GB2312"));//读取txt


               var _list = Regex.Matches(tempStr, @"(?i)(?<=<div[^>]*?class=(['""]?)dTrans cl(['""]?)[^>]*?>((?!</div>)[\s\S])*?)<p[^>]*?><span[^>]*?>(?<V1>[^<>]*?)</span>\s*?<span[^>]*?>(?<V2>[^<>]*?)</span>\s*?</p>").Cast<Match>().Select(a => 
                   {
                       string unicode_str = string.Empty;
                       MatchCollection mc = Regex.Matches(a.Groups["V2"].Value, @"u([\w]{2})([\w]{2})", RegexOptions.Compiled 
[解决办法]
 RegexOptions.IgnoreCase);
                       byte[] bts = new byte[2];
                       foreach (Match m in mc)
                       {
                           bts[0] = (byte)int.Parse(m.Groups[2].Value, NumberStyles.HexNumber);
                           bts[1] = (byte)int.Parse(m.Groups[1].Value, NumberStyles.HexNumber);
                           unicode_str += Encoding.Unicode.GetString(bts); 
 
                       }
                       return a.Groups["V1"].Value + unicode_str;
                   }).ToList();

               /*
                       [0]"n.试验；考验；测验；化验；"string
       [1]"vt.测验；考查；考验；勘探；"string
       [2]"vi.受试验；受测验；受考验；测得结果；"string


                */

[解决办法]

        private string stripHtml(string strHtml)
        {
            Regex reg = new Regex("<(.
[解决办法]
\n)+?>");
            string result = reg.Replace(strHtml, "");           
            return result;
        }