Okay, but then you can reset pos in case three, as you already explained.

sub { my @filtered = grep { pos = 0; /exception:/g && !/\Gtex/ } @thre
+e; }

[download]

Is there something wrong with this? Aside from the overhead of resetting pos, of course.

In reply to Re^3: Initializing iterations while benchmarking by alexm
in thread Initializing iterations while benchmarking by ig

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