Restrict chars from email and phone

-- HikaShop version -- : 3.1.1
-- Joomla version -- : 3.6.5
-- PHP version -- : 7.0

Hello,

We would like to restrict the usage of several chars in the Email and Phone number fields upon user registration. Please advice on how to implement.

Thank you in advance,

Guy.

Hello,

There is a regular expression check in the custom field system.
www.hikashop.com/support/documentation/1...ield-form.html#infos

Regards,

Thank you for the quick replay.
I'll take a look and see if I can manage.