Interesting... Is that a debug build of 5.14? Because those rates are WAAAY slower than you got for 5.6.

Nope, not a debug build but 5.14.1 is threaded with fork emulation; anyway see Why "Modern Perl" is slower than "Legacy Perl"?

In reply to Re^3: regex alternation by Anonymous Monk
in thread regex alternation by Anonymous Monk

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