- 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@)
NEW: works for guest checkouts, e.g. customers are not required to have an account.
The actual email wildcard match is done via regular expressions using preg_match( ‘/@example.com/’, ’email@example.com’ )
Here one can test regular expressions http://www.phpliveregex.com/p/jbb online.