// is indeed the m-less form of m//, but ?? is not, it is a special case of //. Which may lead to lots of confusion if one uses questionmarks as delimiters for their regexps.

I assume you know this, just clarifying further for those that may not. :)

You have moved into a dark place.
It is pitch black. You are likely to be eaten by a grue.

In reply to Re(4): RegExp Delimiter by Dog and Pony
in thread RegExp Delimiter by perchance

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