am very glad for all this big help. now AND is working the way i youve advised me. thanks a lot!
-----Original Message----- From: Matt Kettler [mailto:[EMAIL PROTECTED] Sent: Tuesday, November 28, 2006 5:02 AM To: John Rudd Cc: users@spamassassin.apache.org Subject: Re: getting "and" operator work John Rudd wrote: > Matt Kettler wrote: >> John Rudd wrote: >>> Matt Kettler wrote: >>> >>>> Really in regexes there is no such thing as an AND operation. It's >>>> just not something natural to do in a regex. >>> I would argue, at a deeper level of language/grammar theory, that >>> this isn't true. Instead, AND is implied by concatenation. >> No it's not. Concatenation is order-specific. AND is order non-specific. >> > > I'd have to break out a textbook (which means _find_ my textbooks on > the material) to continue the discussion meaningfully. I'm just glad > anyone at all replied to the question meaningfully :-} > > The key is that in boolean algebra, AND has the commutative property. This means that A and B is the same as B and A.