A refresher, for people who might not have come across this before: parsing even a limited subset of all possible email addresses with a regex is hard http://w

A refresher, for people who might not have come across this before: parsing even a limited subset of all possible email addresses with a regex is hard http://www.ex-parrot.com/pdw/Mail-RFC822-Address.html http://www.ex-parrot.com/pdw/Mail-RFC822-Address.html.