Registration: Username not accepting number.

[Ray Ch]

No description provided.

[sowmya Y]

Username doesnot accept numbers when given with special characters

[Ray Ch]

Special characters, in general are not allowed.

^[a-z0-9_-]{3,15}$ 

This is the validation for username. Username should be in small characters. start with character can have 0-9, - or _. String size between 3-15.