It's important to note that YAPE::Regex::Explain does not support regex constructs introduced after Perl version 5.6, and in particular the extensions of version 5.10.

Give a man a fish:  <%-{-{-{-<

In reply to Re^2: Surprising capture of undef with zero repetitions by AnomalousMonk
in thread Surprising capture of undef with zero repetitions by bengo

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