Re: OT: RE madness
On Mon, Jan 06, 2003 at 11:40:08PM -0200, andrej hocevar wrote:
> I've been playing around with these two REs in Perl with no
> success. Can anyone tell me what's wrong?
Derrick has nailed it, I believe, so I won't go over that again.
> which fails. Why is this? Is there no way of saying "neither/nor",
> just "either/or"?
Look into the "Extended Patterns" section of the perlre(1) man page.
Specifically, you probably want either (?!pattern) or (?<!pattern).
Beware that both of these are zero-width assertions, and, as such, can
behave a little unexpectedly. See the "Backtracking" section of the same
man page for the gory details.
--
Colin Watson [cjwatson@flatline.org.uk]
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