The problem is here:

$newpat = '_$1_';

[download]

That needs to be in double-quotes, or it gets interpreted literally.

That's the problem with the sample code, at least. It sounds like your production code might be different, since you mention the patterns are user-supplied. Do you have a sample of that?

- Matt Riffle

In reply to Re: s/// ignoring subexpressions with variable replacement patterns by mattriff
in thread s/// ignoring subexpressions with variable replacement patterns by Anonymous Monk

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