... Extended Patterns: (?adluimnsx-imnsx:pattern) ...

This is the very useful and highly non-experimental "non-capturing group" construct. It is most commonly found in its modest  (?:pattern) form, with no modifiers present. If you haven't already, I suggest you seek the company of this potentially stalwart and faithful regex companion.

Give a man a fish:  <%-{-{-{-<

In reply to Re^3: 'g' flag w/'qr' by AnomalousMonk
in thread 'g' flag w/'qr' by perl-diddler

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