public static function solveIndicator($data) {
    $normData = strtolower(trim($data));
    foreach (self::$indicators as $key => $tests) {
      foreach ($tests as $test) {
        if ($test[0] == '/' && preg_match($test, $normData)) {
          return [$key, $normData];
        } elseif ($normData === $test) {
          return [$key, $normData];
        }
      }
    }

    return false;
  }