python核心编程-正则表达式之match

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import re
m = re.match('foo','food on the table')  #匹配选择从首个字符开始。
if m is not None:
print m.group() #显示匹配成功的字符串

print '*************************'
m = re.match('foo','xx food on the table')
if m is not None:
print m.group()