programming-examples/python/Regular_Expression/Matches a string that has an a followed by zero or one 'b'.py
2019-11-15 12:59:38 +01:00

12 lines
327 B
Python

import re
def text_match(text):
patterns = 'ab??'
if re.search(patterns, text):
return 'Found a match!'
else:
return('Not matched!')
print(text_match("ab"))
print(text_match("abc"))
print(text_match("abbc"))
print(text_match("aabbc"))