# -*- coding: utf-8 -*-
import urllib2
import re
#connect to a URL
website = urllib2.urlopen("http://www.baidu.com")
#read html code
html = website.read()
#use re.findall to get all the links
links = re.findall('"((http|ftp)s?://.*?)"', html) ###".*?"任意匹配
print links