It's worth noting that the entire contents of the implementation of whatever() must be 100% free of split(), m//, and s///. The engine isn't reentrant and the multiple simultaneous uses will use the same data and corrupt each other.

This might have gotten better during 5.9. I couldn't say.

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In reply to Re: Regex code assertion should be able to fail by diotalevi
in thread Regex code assertion should be able to fail by nobull

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