> I remember reading somewhere that in some situations, Perl is smart enough to do /o automatically without being asked to do so.

I remember reading that this depends on the Perl version. And I think I read it here.

At some point - long ago - Perl became capable to notice that the input pattern didn't change and reused the last compilation, IIRC.

We should have extensive discussions on this in the archives.

Cheers Rolf
(addicted to the 𐍀𐌴𐍂𐌻 Programming Language :)
Wikisyntax for the Monastery

In reply to Re^3: Regex /o modifier: what bugs? by LanX
in thread Regex /o modifier: what bugs? by kcott

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