WebClient web = new WebClient();
String website = web.DownloadString("https://www.google.com");
String search = @"";
MatchCollection matches = Regex.Matches(Website,Search);
foreach (Match m in matches){}
WebClient web = new WebClient();
String website
阅读背景：
（web）使用C＃中的regex从某些div中抓取内容
来源：互联网
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