Simple C # crawler subtotal

Using system;using system.collections.generic;using system.io;using system.linq;using System.Net;using System.Text; Using system.text.regularexpressions;using system.threading.tasks;namespace Regular {class program {static void M            Ain (string[] args) {string url = "http://www.admin5.com/browse/177/";            String html = gethtml (URL, Encoding.UTF8); Regex r = new Regex ("(? <=href=\").            =\")");            MatchCollection MC = r.matches (HTML);            int a = 1; foreach (Match m in MC) {if (M.value.contains ("article")) {C Onsole.                    WriteLine ("http://www.admin5.com/" + m.value);                    Console.WriteLine ("Crawl Content");                    String content = gethtml (M.value, Encoding.UTF8); Regex i = new Regex ("(?<=title>)."                    =</title>) ");                    matchcollection mm = i.matches (content); Regex rcontent = new regex("<div class=\" content\ ">[\\s\\S]*?</div>"); MatchCollection nr = rcontent.                    Matches (content); string title = Mm[0].                    Value; String neirong = Nr[0].                    Value;                    Console.WriteLine ("Save Data");                    String path = Directory.GetCurrentDirectory (); if (!                     Directory.Exists (path + "\\data")) {directory.createdirectory (path + "\\data");                     } file.writealltext (path + "\\data" + "\ \" + A + ". txt", title + "\ r \ n" + Neirong);                    a++;                Console.WriteLine ("Saved successfully");            }} Console.WriteLine ("OK");        Console.readkey (); } private static string gethtml (string url, Encoding Encoding) {HttpWebRequest request = (httpwe            brequest) webrequest.create (URL); HttpWebResponse response = (HttpWebResponse) request. GetrespoNSE (); Stream s = response.            GetResponseStream ();            StreamReader sr = new StreamReader (s); return Sr.        ReadToEnd (); }    }}

　　

Simple C # crawler subtotal