in reply to Subroutines in a regex?

busunsl is right, but I'd like to add another feature and DWIM[1] to your code: 
s/(SUM(\d*))/&sum($2)/eg

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For I think you want to have the SUM characters stripped off, don't you?

[1] Do What I Mean
--
Alfie

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Re: Answer: Subroutines in a regex?
by busunsl (Vicar) on Apr 05, 2001 at 14:56 UTC
    Sorry to disagree, but you don't have to put parenthesis around the whole pattern, it will be substituted anyway.
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