正则表达式中match的用法

import  re
>>> c="PandAs练习.xlsx"
>>> re.match(".*pandas.*",c,re.I)
<re.Match object; span=(0, 13), match='PandAs练习.xlsx'>
>>> d=re.match(".*pandas.*",c,re.I)
>>> print(d)
<re.Match object; span=(0, 13), match='PandAs练习.xlsx'>
>>> print(d.group())
PandAs练习.xlsx
>>>