use strict; use warnings; use YAPE::Regex::Explain; my $regex1 = qr{\QHello# World\E}x; my $parser1 = YAPE::Regex::Explain->new($regex1)->explain; print "$parser1\n"; print "*" x 20; print "\n"; my $regex2 = qr{Hello\#\ World}x; my $parser2 = YAPE::Regex::Explain->new($regex2)->explain; print "$parser2\n";