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Re: Re: Re: Common Regex Gotchas

by chipmunk (Parson)
on May 09, 2001 at 00:30 UTC ( #78944=note: print w/ replies, xml ) Need Help??


in reply to Re: Re: Common Regex Gotchas
in thread Common Regex Gotchas

Happily, that doesn't appear to be the case. I don't see any occurence of the $& et al. variables in the code for Benchmark.pm

The real problem here is the use of /e on the substitution, when this would work just as well and be much more efficient: s/(\w+)/\U$1/g;


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Re: Re: Re: Re: Common Regex Gotchas
by dws (Chancellor) on May 09, 2001 at 00:32 UTC
    I don't see any occurence of the $& et al. variables in the code for Benchmark.pm

    I think what our Anonymous friend means is that if one of the routines being benchmarked uses $&, then all routines suffer (unfairly) from the overhead.

      I'm pretty sure that the AM was referring to the module itself, especially since none of the code in this thread actually uses $& et al.

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