So what tools, tips, and tricks of the trade do you have to share for these rare occassions you need to write a regex that matches everything another regex doesn't?

 /^(?!(?s:.*)$regex)/

:-)

Caveat: Only useful in a boolean context.

print "Just another Perl ${\(trickster and hacker)},"
The Sidhekin proves Sidhe did it!

In reply to Re: Negating Regexes: Tips, Tools, And Tricks Of The Trade by Sidhekin
in thread Negating Regexes: Tips, Tools, And Tricks Of The Trade by Limbic~Region

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