正则split的使用

import re
#s 空格  +号表示至少出现一次
# path = 'C:\Users\czDesktoppy06\PY6_Day01\爬虫作业\2018_03_07\05_split.py'

#前面加r表示元字符
path = r'C:UsersczDesktoppy06PY6_Day01爬虫作业2018_03_075_split.py'

#用做分割
pattern = re.compile(r'\')
s = pattern.split(path)
print(s)
filename = s[-1]
print(filename)