use Modern::Perl; my %data = (); $data{b_slash_car_bit_slash_tebla_bit} = 'b/car[10]/tebla[9]'; $data{b_slash_car_bit_slash_tesla_bit} = 'b/car[10]/tesla[0] b/car[9].tesla[1]'; $data{b_slash_car_bit_slash_tisla_bit} = 'b/car[10]/tesla[0] b/car[9].tesla[1]'; my $var1 = 'b/car[*]/te.*a'; # <-- changed this to .* $var1 =~ s/\//_slash_/g; $var1 =~ s/\[\*\]/\_bit/g; # <-- changed _bit_ to _bit say /$var1/ ? 'YES' : 'NO' for keys %data; #### YES YES NO