Ilya saved you.

In older versions of Perl, or in other languages, the above would perform simply pathetically on something like: 

"<%aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+aaaaaaaaaaaaaa"

[download]
However Ilya's optimizations make it perform just fine in recent versions of Perl. :-)

In reply to Re: Re: A NOT in regular expressions by tilly
in thread A NOT in regular expressions by Anonymous Monk

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