sub main {
 my $filename = "input.file";
 open (my $valuesFile, '<', 'pattern.file')  or die "Failed: $!\n";

while (<$valuesFile>) { push (@lines, $_); }
 open(INPUT, $filename) or die "Cannot open $filename";
  while (<INPUT>) {
   ($userName,$emailAddress,$division,$fullName)  = split(/\|/, $_);
    while (@lines) {
     my $pattern = pop @lines;
     $pattern=~s/\n//g;
     #print "pattern: ".$pattern."address: ".$emailAddress."\n";
     if ($emailAddress =~ /$pattern/) {
      print $pattern . "  exists in " . $emailAddress."\n";
     } else {
      print $pattern . "  no match  " . $emailAddress."\n";
      last;
    }
  }
}
close(INPUT);
close $valuesFile;
}