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Re^2: Is it safe to use external strings for regexes?by LanX (Saint) |
on Oct 07, 2021 at 20:58 UTC ( [id://11137318]=note: print w/replies, xml ) | Need Help?? |
My guess: Perl is looking for exact strings from both ends, your regexes include a trailing "b" but your string $futile doesn't This simplified demo seems to support my theory
please note Did not find floating substr "b"... Match rejected by optimizer
Cheers Rolf
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