Try it yourself. $re will be scoped only inside the block, so can't be used outside the curly brackets in the if.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^7: Turning on regexp debugging at runtime by choroba
in thread Turning on regexp debugging at runtime by SBECK

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