You might benefit from reading chapter 6.5 Regex String Generation from the "Higher Order Perl" by Mark Jason Dominus (available online at http://hop.perl.plover.com/book/).

Update:Fixed the author.

لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: Is regex 1 covered by regex 2 by choroba
in thread Is regex 1 covered by regex 2 by Kafka

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