效果图 实现代码 protected void Button1_Click(object sender, EventArgs e) ...{ Uri u = new Uri("http://www.google.cn/search?q="+TextBox1.Text+"&hl=zh-CN&ie=GB2312&lr=&nxpt=10.2068337957705091425725"); HttpWebRequest dd = (HttpWebRequest)WebRequest.Create(u); dd.Method = "GET"; WebResponse req = dd.GetResponse(); Stream str = req.GetResponseStream(); StreamReader readerOfStream = new StreamReader(str, System.Text.Encoding.GetEncoding("GB2312")); string aa = readerOfStream.ReadToEnd(); string abc = ""; char aa1=(char)13; char aa2=(char)10; string Str = aa.Replace(aa1.ToString(), "").Replace(aa2.ToString(), ""); string StartStr = "<div><div class=g>[变量]"; StartStr = StartStr.Replace("[变量]", ".*"); string LastStr = "</div>"; string SearchStr = StartStr + ".*" + LastStr; Regex re = new Regex(SearchStr, RegexOptions.IgnoreCase); Match m = re.Match(aa); Response.Write(m.Value); str.Close(); }