#!/usr/bin/perl -w use strict; use warnings; my @folders=("inc","Inc","iNc","incr","src","Src"); my $mk = "./media/common/max/tail/common.mk: $(PROJECT_ROOT)/../../Utils/inc"; my $folder_match; my @folder_match; my $found = 0; foreach $folder_match(@folders) { if($mk =~ /^\/\Q$folder_match\E$/i) {# if $mk doesnot match to any+one of @folders,then only push $found = 1; } } print "\nFOUND:$found\n"; if (not $found) { push @folder_match ,$mk; } print "@folder_match\n";