From 4c2bf946ced78b19cdd9c1359d11f45546e06a4d Mon Sep 17 00:00:00 2001 From: Qianqian Zhou Date: Mon, 21 Apr 2025 11:41:37 +0200 Subject: [PATCH] Updated validations.py python script. Fixed the behavior of validate_user function in validations.py. --- Course3/Lab4/validations.py | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Course3/Lab4/validations.py b/Course3/Lab4/validations.py index b18de65a2e..a93583c825 100644 --- a/Course3/Lab4/validations.py +++ b/Course3/Lab4/validations.py @@ -16,9 +16,12 @@ def validate_user(username, minlen): if not re.match('^[a-z0-9._]*$', username): return False # Usernames can't begin with a number - if username[0].isnumeric(): + if username[0].isnumeric() or username[0] in "._": 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