So I can do whatever I want on the "right side" with no undefined behaviour.

Great news!

I suppose you are saying that reentrancy is only an issue with ?{code} and ??{code} constructs.

I knew these were problematic (and experimental features) but thought that making substitutions using the re engine on the evaluated code could also be a problem.

Any idea where I can find documentation that mentions this explicitly

Thank you.

In reply to Re^2: is perl's regular expression engine reentrant ? (works) by plank
in thread is perl's regular expression engine reentrant ? by plank

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