[Mailman-Users] How do I get the from address?

[Florian Weimer]

John W Baxter <jwblist at olympus.net> writes:

> Or one can look at Mastering Regular Expressions page 316 which contains,
> in highly compressed micro type, a 6,598 byte (he says) regular expression
> for matching email addresses.

Something has to be wrong.  The mail address syntax described in RFC
822 in is definitely not regular, that's why a regular expression
matching mail addresses does not exist.