diff --git a/Course3/Lab4/validations.py b/Course3/Lab4/validations.py index b18de65a2e..3921a9614b 100644 --- a/Course3/Lab4/validations.py +++ b/Course3/Lab4/validations.py @@ -15,10 +15,23 @@ def validate_user(username, minlen): # Usernames can only use letters, numbers, dots and underscores if not re.match('^[a-z0-9._]*$', username): return False - # Usernames can't begin with a number + + # THe first character cannot be a forbidden one + + if not re.match(r'[a-z]', username[0]): + + return False + + # Usernames can't begin with a number if username[0].isnumeric(): return False return True +print(validate_user("blue.kale", 3)) # True + +print(validate_user(".blue.kale", 3)) # Currently True, should be False + +print(validate_user("red_quinoa", 4)) # True +print(validate_user("_red_quinoa", 4)) # Currently True, should be False