s/// returns the number of replacements, while m// will return the (portions of the) match. See perlop s/PATTERN/REPLACEMENT/.

While it is possible to DWYW here, it gets complicated and ugly "all-in-one-line". Why not break it down into 2 or more lines, so the next Perler (which may be you) doesn't waste an hour and a bottle of Anacin 26 trying to debug it?

-QM
--
Quantum Mechanics: The dreams stuff is made of

In reply to Re: Regex on array elements during push by QM
in thread Regex on array elements during push by carric

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