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Re: help required for regexp

by Corion (Pope)
on Dec 07, 2011 at 09:36 UTC ( #942192=note: print w/ replies, xml ) Need Help??

in reply to help required for regexp

Maybe you want the /e switch (see perlre)?

%Hidlabels = {3333=>1, 4444=>2, 2222=>3}; $formula =~ s/f(\d+)/$Hidlabels{$1}/ge;

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Re^2: help required for regexp
by Eliya (Vicar) on Dec 07, 2011 at 09:55 UTC

    Why /e ?  The substitution side behaves like a double quoted string, so $Hidlabels{$1} already interpolates.

      Uh - yes - I'm not thinking clearly.

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