C#: 提取网页中的javascript代码

public static void Main()
        {
            WebRequest req = WebRequest.Create("http://blog.csdn.net/xiaofengsheng");
            try
            {
                WebResponse result = req.GetResponse();
                Stream ReceiveStream = result.GetResponseStream();
                StreamReader readerOfStream = new StreamReader(ReceiveStream,
                    System.Text.Encoding.GetEncoding("UTF-8"));
                string temp = readerOfStream.ReadToEnd();
                Regex ex = new Regex(
                    "<script.+?type ?= ?(\"|')text/javascript(\"|')>.*?</script>",
                    RegexOptions.Singleline);
                MatchCollection mc = ex.Matches(temp);
                foreach (Match m in mc)
                {
                    Console.WriteLin