Regex to extract URLs from href attribute in HTML with Python [duplicate]

import re

url="<p>Hello World</p><a href="http://example.com">More Examples</a><a href="http://2.example">Even More Examples</a>"

urls = re.findall('https?://(?:[-\w.]|(?:%[\da-fA-F]{2}))+', url)

>>> print urls
['http://example.com', 'http://2.example']