Python regular expression to extract part of string content

Question

样本：user<user@test.com>
如何提取其中的 user@test.com 部分？

Ask, how to optimally implement regular expression in Python?

Answer 1

import re

str = 'user<user@test.com>'
print re.search('<(.+)>', str).group(1)

Answer 2

# coding: utf8
import re
string = 'user<user@test.com>'
print re.findall(r'<([^>]+)', string)