The Extended Patterns documentation mentions that "(?>pattern) does not disable backtracking altogether once it has matched." A concern was expressed about "catastrophic backtracking." I'm curious about the nature of the 'catastrophe,' and whether your solution would satisfactorily avert it.

In reply to Re^2: Perl Complains of Nested Quantifiers by Kenosis
in thread Perl Complains of Nested Quantifiers by sunmaz

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