- Compatible with both URL Coupons and Smart Coupons
- Easy to use, just inform a email domain like @example.com
- (One can even inform an email wildcard like test@)
Also works for guest checkouts, e.g. customers are not required to have an account because it is verified against checkout’s billing email.
The actual email wildcard match is done via regular expressions using preg_match( ‘/@example.com/’, ’firstname.lastname@example.org’ )
Here one can test regular expressions http://www.phpliveregex.com/p/jbb online.