python自动提取邮箱地址

python100例之自动提取邮箱地址：

# coding:utf-8
import re


content = '''
    寻隐者[e-mail]不遇
    朝代：唐asdf12a#abc.com
    作[e-mail]者：贾岛
    松下问童子，言师[e-mail]采花去。
    只在[e-mail]比山中，云深不知处
'''
pattern = re.compile(r"""
    [a-zA-Z0-9_-]+
    @
    [a-zA-Z0-9]+
    \.
    [a-zA-Z]{2,4}
""", re.VERBOSE)

results = pattern.findall(content)
# print(results)
for result in results:
    print(result)