if (preg_match("/^[a-zA-Zěščřžýáíéúů]*/",$jmeno) && $jmeno[0] == strtoupper($jmeno[0]) ) {
      echo " <td> <b style=\"color: green;\"> Spravne </b> </td>"; }
      else { echo " <td> <b style=\"color: red;\"> Spatne  </b></td> "; $kontrola = 1;}

   if (preg_match("/^[a-zA-Zěščřžýáíéúů]*/",$prijmeni) && $prijmeni[0] == strtoupper($prijmeni[0]) ) {
      echo " <td> <b style=\"color: green;\"> Spravne </b> </td>"; }
      else { echo " <td> <b style=\"color: red;\"> Spatne  </b></td> "; $kontrola = 1;}

   if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
      echo " <td> <b style=\"color: green;\"> Spravne </b> </td>"; }
      else { echo " <td> <b style=\"color: red;\"> Spatne  </b></td> "; $kontrola = 1;}