http://www.perlmonks.org?node_id=1090269


in reply to Re^2: Question about regex performance
in thread Question about regex performance

OK, "wrong" was probably a too strong word (I'm not a native speaker of English). But compare the following two expressions, both being "right" from the test driven perspective:
# 1 $x = 'a' . $y . $z->[1]; # 2 $x = join q(), scalar(chr 97), $y, (@$z)[1], '';
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