Author: Philip Guenther <guenther(_at_)gac(_dot_)edu>
Original-Date: Mon, 20 Oct 1997 09:53:09 -0500
Message-ID:
<199710201453(_dot_)JAA24477(_at_)solen(_dot_)gac(_dot_)edu>
Character classes are of course most useful when you really want to
catch a largish range of characters, such as [a-z], or negate the
class, i.e. [^a-z].
They're also more efficient than alternation via |.
can I use a ? after a set of [ ] like this:
(majordomo|listless|mail[2356]?)\.netcom\.com|\
(yes I do want to match mail.netcom.com as well)
TjL