Username must only contain letters, numbers and _ (underscore) and be between 5 and 20 characters long.

First Name must be no more than 50 characters long.

Last Name must be no more than 50 characters long.

Passwords are CasE SensiTive and must be between 5 and 20 characters long.

Email address must be of a valid format i.e. yourname@yourdomain.co.uk