On Fri, 9 Dec 2005 11:10:04 +0000, Tom Anderson <[EMAIL PROTECTED]> wrote: >Hi all, > >A hoary old chestnut this - any advice on how to syntactically validate an >email address? I'd like to support both the display-name-and-angle-bracket >and bare-address forms, and to allow everything that RFC 2822 allows (and >nothing more!). > >Currently, i've got some regexps which recognise a common subset of >possible addresses, but it would be nice to do this properly - i don't >currently support quoted pairs, quoted strings, or whitespace in various >places where it's allowed. Adding support for those things using regexps >is really hard. See: > >http://www.ex-parrot.com/~pdw/Mail-RFC822-Address.html > >For a level to which i am not prepared to stoop. > >I hear the email-sig are open to adding a validation function to the email >package, if a satisfactory one can be written; i would definitely support >their doing that.
The top part of <http://divmod.org/users/viewcvs.twistd/branches/exarkun/smtp-2418/quotient/proto/smtp.py?rev=7661&view=markup> contains a parser that, IIRC, is basically complete. There are unit tests nearby, too. The code is MIT licensed. Jean-Paul -- http://mail.python.org/mailman/listinfo/python-list