The article was about e-mail addresses. Here's a link to an RFC-compliant regular expression for matching valid e-mail addresses: http://www.ex-parrot.com/~pdw/

The article was about e-mail addresses. Here's a link to an RFC-compliant regular expression for matching valid e-mail addresses: http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html Despite that evil voice telling you "There is nothing Perl cannot do!" (http://www.bastichlabz.org/bastich/Strips/ba980225.gif http://www.bastichlabz.org/bastich/Strips/ba980225.gif), regular expressions alone are not sufficient for real parsing,