python正则匹配一个html中的几个url

Question

在一个网页中匹配出如下的几个url,从url开始匹配不是从href开始匹配href="http://redirect.wangpansou.cn/redirect.php?url=http%3A%2F%2Fpan.baidu.com%2Fshare%2Flink%3Fuk%3D2803502175%26shareid%3D3310887851%26third%3D0"href="http://redirect.wangpansou.cn/redirect.php?url=http%3A%2F%2Fpan.baidu.com%2Fshare%2Fhome%3Fuk%3D981206555%26view%3Dshare"href="http://redirect.wangpansou.cn/redirect.php?url=http%3A%2F%2Fpan.baidu.com%2Fshare%2Flink%3Fuk%3D1075874930%26shareid%3D3128951413%26third%3D0"python的正则表达式应该怎么写?求大神啊!就结了好久了.

Answer 1

.*?url=(.*?)".*?

Answer 2

import re

patten=re.compile('\"([^\"]*)\"')
out=re.findall(patten,a)
print("\n".join(out))

Answer 3

这种情况根本不需要正则匹配    解析一下地址  直接获取url就可以了 

或者直接字符串截取就可以了