Updated validations.py to ensure username does not start with . or _

Closes: google#36108
salmanriazsyed · Nov 19, 2024 · f8ec31d · f8ec31d
1 parent 33be82d
commit f8ec31d
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/Course3/Lab4/validations.py b/Course3/Lab4/validations.py
@@ -18,7 +18,15 @@ def validate_user(username, minlen):
     # Usernames can't begin with a number
     if username[0].isnumeric():
         return False
+
+    # Usernames can't begin with dots or underscores
+    if username[0] == '.' or username[0] == '_':
+        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