1. Validation on Username
- User must fill this field since it is a required field.
- Provided username must follow the alphanumeric standard and does not contains any symbol.
- Provided username must not exist in the system. This is completely ajaxified.

2. Validation on Email
- User must fill email field.
- Provided email is a valid email address
- Provided email must not exist in the system. This is ajaxified.
- Check confirm email field for correctness.

3. Validation on Password
- User must fill password field.
- Checks the password strength of the provided password. This plugin does not apply any extra password strength to the registration system. Default password strength of Joomla registration is considered here.
- Check confirm password field for correctness.

PRO Feature
This enhanced version will allow you to place custom validations in the registration process. Like apart from checking required and valid email you would like to allow registration for selected domain only say gmail and yahoo then you can impose this restriction in the registration using using the regular expression feature.