Re: 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;
[download]

Comment on Re: help required for regexp Select or Download Code

Replies are listed 'Best First'.
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.	[reply] [d/l] [select]
Re^3: help required for regexp by Corion (Patriarch) on Dec 07, 2011 at 10:13 UTC
Uh - yes - I'm not thinking clearly.	[reply]