C#简单爬虫案例分享

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
 class Program
 {
  static void Main(string[] args)
  {

   WebClient wc = new WebClient();
   wc.Encoding = Encoding.UTF8;
   string html = wc.DownloadString("http://www.lagou.com/");

   MatchCollection matches = Regex.Matches(html, "<a.*jobs.*>(.*)</a>");
   foreach (Match item in matches)
   {
    Console.WriteLine(item.Groups[1].Value);
   }
   Console.WriteLine(matches.Count);
   Console.ReadKey(); 
  }
 }
}