#!/usr/bin/perl
use strict;

my @inputData =
(
    'test.dat',
    'test.exe',
    'testadat.exe',
    'testaexe.dat',
);

my @regExp =
(
    'test.dat',
    'test.exe',
);

print "----- Without quotemeta ---------------\n";
foreach my $regularExpression (@regExp)
{
    print "Using regular expression /$regularExpression/:\n";
    foreach my $inputLine (@inputData)
    {
        if ($inputLine =~ /$regularExpression/)
        {
            print "    Match:  \"$inputLine\"\n";
        }
    }
}
print "----- With quotemeta ------------------\n";
foreach my $regularExpression (@regExp)
{
    my $actualRegularExpression = quotemeta $regularExpression;
    print "Using regular expression /$actualRegularExpression/:\n";
    foreach my $inputLine (@inputData)
    {
        if ($inputLine =~ /$actualRegularExpression/)
        {
            print "    Match:  \"$inputLine\"\n";
        }
    }
}
print "----- Fini ----------------------------\n";