use Regexp::Wildcards;
-my $rw = Regexp::Wildcards->new(do => [ qw/jokers brackets groups/ ]);
+my $rw = Regexp::Wildcards->new(do => [ qw<jokers brackets groups> ]);
is($rw->convert('a(?)b'), 'a(.)b', 'groups: single');
is($rw->convert('a(*)b'), 'a(.*)b', 'groups: any');