my $mods_p = '';
my $mods_m = '';
($opts{$_} ? $mods_p : $mods_m) .= $_ for qw( x i s m );
$re = qr/(?$mods_p-$mods_m:$re)/;

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In reply to Re^3: Using Parse::RecDescent to parse Perl-ish strings without resorting to string eval by ikegami
in thread Using Parse::RecDescent to parse Perl-ish strings without resorting to string eval by polypompholyx

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