#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
正则表达式测试
@Auther :liuyuqi.gov@msn.cn
@Time :2018/4/16 13:08
@File :test-re.py
'''


fh = open(r"test_emails.txt", "r").read()
for line in fh.split("\n"):
    if "From:" in line:
        print(line)

import re

for line in re.findall("From:.*", fh):
    print(line)