sub do_eval {
  my $genome  = "AGTATCGATCGATGCATGCTAGCTAGCTAGCTAGCTAGCTAGSTGCTAGCT";
  my @regexes = ('AGT', 'ATC'); # dont care
  my $count   = 0;
  my $code    = join ";",
                map { "\$count++ if \$genome =~ /$_/" } @regexes;
  eval $code;
  die "Error: $@\n Code:\n$code\n" if ($@);
  return $count; # returns 2
}