Validations.py (Class3/Lab4) validates invalid usernames

[Michael L. Mehr]

Expected Behavior

Return False when invalid username is passed

Actual Behavior

Returns True for username that starts with a number, dot, or underscore

Steps to Reproduce the Problem

1. Test the function with input that starts with a number, dot, or underscore
2. The return value is True instead of False

Specifications

The username must consist of letters, numbers, dots and underscores.
It must start with only a letter and be at least 1 character long.

• Version: 1?
• Platform: all