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#!perl -wl use strict; ... my $eol_in_the_middle = qr/some$(?:thing)/; print 'eol_in_the_middle ',$eol_in_the_middle; print '$target =~ /$eol_in_the_middle/ ',$target =~ /$eol_in_the_middl +e/;
my $eol_in_the_middle2 = qr/some$(?:\s*thing)/; my $target2 = "this is some\nthing strange."; print '$target2 =~ /$eol_in_the_middle2/ ',$target2 =~ /$eol_in_the_mi +ddle2/sm;