C#Webページへのリンクの遍歴

  
    

   
     using
   
      System;

   
     using
   
      System.Net;

   
     using
   
      System.Text;

   
     using
   
      System.Text.RegularExpressions;

   
     namespace
   
      HttpGet
{
 
   
     class
   
      Class1
 {
 [STAThread]
 
   
     static
   
      
   
     void
   
      Main(
   
     string
   
     [] args)
 {
 System.Net.WebClient client 
   
     =
   
      
   
     new
   
      WebClient();
 
   
     byte
   
     [] page 
   
     =
   
      client.DownloadData(
   
     "
   
     http://hi.baidu.com/jaysam/blog/item/bddb2bfa037b8f9359ee90e6.html?
   
     "
   
     );
 
   
     string
   
      content 
   
     =
   
      System.Text.Encoding.UTF8.GetString(page);
 
   
     string
   
      regex 
   
     =
   
      
   
     "
   
     src=[\\\"\\\'](http:\\/\\/|\\.\\/|\\/)?\\w+(\\.\\w+)*(\\/\\w+(\\.\\w+)?)*(\\/|\\?\\w*=\\w*(&\\w*=\\w*)*)?[\\\"\\\']
   
     "
   
     ;
 Regex re 
   
     =
   
      
   
     new
   
      Regex(regex);
 MatchCollection matches 
   
     =
   
      re.Matches(content);

 System.Collections.IEnumerator enu 
   
     =
   
      matches.GetEnumerator();
 
   
     while
   
      (enu.MoveNext() 
   
     &&
   
      enu.Current 
   
     !=
   
      
   
     null
   
     )
 {
 Match match 
   
     =
   
      (Match)(enu.Current);
 Console.Write(match.Value 
   
     +
   
      
   
     "
   
     \r

   
     "
   
     );
 }
 }
 }
}