programming-examples/python/Regular_Expression/Match a string that contains only upper and lowercase letters, numbers, and underscores.py
2019-11-15 12:59:38 +01:00

10 lines
336 B
Python

import re
def text_match(text):
patterns = '^[a-zA-Z0-9_]*$'
if re.search(patterns, text):
return 'Found a match!'
else:
return('Not matched!')
print(text_match("The quick brown fox jumps over the lazy dog."))
print(text_match("Python_Exercises_1"))