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Re^4: alternation in regexes: to use or to avoid?

by balker (Novice)
on Dec 10, 2012 at 15:29 UTC ( #1008121=note: print w/replies, xml ) Need Help??


in reply to Re^3: alternation in regexes: to use or to avoid?
in thread alternation in regexes: to use or to avoid?

Please read the benchmark numbers.

Alternation is MUCH faster than looping over trivial regexes, except when you use captures inside the alternations.

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[shmem]: Lady_Aleena: see perlsub for AUTOLOAD
[Discipulus]: well AUTOLOAD does auto load (if nothing is found you know what to do)
Lady_Aleena goes to read, may take a bit.
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[karlgoethebier]: Lady_Aleena see also the source code of Shell

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