On Mon, Oct 11, 2004 at 09:46:44AM +0000, Caolan McNamara wrote:
> I'm trying to make a regexp which will match any line except a line that
> starts with "slot:" I've got ^([^s]|s[^l]|sl[^o]|slo[^t]|slot[^:]).*
> which matches any line that doesn't have "slot:" in it, but lines that
> don't start with "slot:" but nevertheless contain it are still matched
> by the regexp. Any ideas ? It's got to be a regexp for other
> constraints.
Perl has a very nice negative lookahead feature:
m/^(?!slot:)/
will match any line not starting with slot:.
perldoc perlre has more details.
--
John Tobin
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are defined as secure, you should put everything in the kernel. When
they can't figure out how to secure something, they just put it in the
kernel and define it as secure." -- Bruce Schneier, Secrets and Lies
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