for my $file (@search_files) {
    my $next_file = 0;
    open(SF, "<", "../templates/$file")
         or die("Cant open Template to search in: $!");

    while (my $line = <SF>) {
      my @keywords = split (/ /, $keyword);

      for my $word (@keywords) {
        if ($line =~ /$word/i) {
          push(@matches, $file);
          $next_file = 1;
          last;
        }
      }

      last if $next_file;
    }
    close SF;
  }
  return @matches;
}

<meta name="description" content="Kinder- und Jugendtheater Murkelbühne eV, " />

<meta name="description" content="Kinder- und Jugend<span style="color:red;">theater</span> Murkelbühne eV, " />

<!-- TMPL_INCLUDE_VAR NAME="content" -->

       my @highlight = split (/ /, $searched) if $searched;
          my @colors = ('#C7FEE7');

          my $hl = new HTML::Highlight (
                words => [@highlight],
                wildcards => [],
                colors => [@colors],
                czech_language => 0,
                debug => 0
        );

        $output = $hl->highlight($output);

  return $output;

$output =~ s#>(.*)($_)(\W)?(.*)<#$1<span style=\"color: red;\">$1$2$3$4</span>#gi;