c#正则表达式采集数据

 protected void Page_Load(object sender, EventArgs e)
{ 

　　StringBuilder MyStringBuilder = new StringBuilder(); 

     WebRequest request = WebRequest.Create("http://www.dahuatech.com/news.aspx?type=1002");

     WebResponse response = request.GetResponse();

     StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));

　　MatchCollection TitleMatchs = Regex.Matches(reader.ReadToEnd(), @"<img src=""images/5_02.jpg"" width=""2"" height=""3"">[\s]*<a href=""newsinfo.aspx[?]id=[\d]*&&type=1002"">([\s\S]*?)</a>", RegexOptions.IgnoreCase | RegexOptions.Multiline);

　　foreach (Match NextMatch in TitleMatchs)           

　　{

　　　　//s += "<br>" + NextMatch.Groups[1].Value + NextMatch.Groups[2].Value;

　　　　// tb1.Text += "\n" + NextMatch.Groups[1].Value+"\n" + NextMatch.Groups[2].Value;

　　　　tb1.Text +=  NextMatch.Groups[1].Value.Trim()+"\n";            

　　}

 }

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c#正则表达式采集数据

原文：http://www.cnblogs.com/print/p/3907516.html