zjfz-2019-s402281/regexp/Task302.py

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2020-01-12 13:28:13 +01:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
import re
def extract_minutes(string):
pattern = r'^([0-9]|1[0-9]|2[0-3]):([0-5][0-9])$'
out = re.search(pattern, string)
if out is None:
return '<NONE>'
else:
return out.group(2)