[Linux-disciples] Negative Perl Regexp

[Adam Rosi-Kessel]

This should be easy, but I've looked at perlre and am stuck.

Does anyone know how to make a regexp that only returns true if there is
no match in perl, assuming you don't have access to the surrounding code,
just the regexp?

In other words, I want to express

if (not /pattern/i) { print "yes!" } ;

But without the not, because I'm giving the regexp as a parameter to a
program.

I supppose I could do

/[^p][^a][^t][^t][^e][^r][^n]/

but this won't work if there are enough other characters not being
"pattern" such that this "negative" matches anyway.

Am I just being dumb here, or is there a good answer?
-- 
Adam Rosi-Kessel
http://adam.rosi-kessel.org
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