Cacher is the code snippet organizer for pro developers

var text = new WebClient().DownloadString(@"http://hogehoge.org");

var q = 
    from Match m in Regex.Matches(text, @"href=""(?<url>.*?)""") 
    where m.Success 
    select m.Groups["url"];

foreach (var x in q) 
{ 
    Console.WriteLine("URL: {0}", x); 
}