<?php

  // ^X?[\d]{5}[ ]*\-[ ]*[\d]{2}$ ID
  // ^[A-Z]{1}[\w]+([ ]+[\w]{2,})?$ Jmeno
  // ^[\d]+[ ]+((KČ)|(kč)|(Kč)|(kČ))$

  if (isset($_GET["ID"])) $id = $_GET["ID"];
  if (isset($_GET["Jmeno"])) $jmeno = $_GET["Jmeno"];
  if (isset($_GET["Cena"])) $cena = $_GET["Cena"];

  if (preg_match("/^X?[\d]{5}[ ]*\-[ ]*[\d]{2}$/", $id) != 1)
  {
    echo "Spatne ID !";
  }

  if (preg_match("/^[A-Z]{1}[\w]+([ ]+[\w]{2,})?$/", $jmeno) != 1)
  {
    echo "Spatne jmeno !";
  }

  if (preg_match("/^[\d]+[ ]+((KČ)|(kč)|(Kč)|(kČ))$/", $cena) != 1)
  {
    echo "Spatna cena !";
  }

  echo "<form method='get'>";

  echo "<table cellpadding='5'>";
  echo "<tr><td>ID</td><td><input type='text' name='ID'></td></tr>";
  echo "<tr><td>Jméno</td><td><input type='text' name='Jmeno'></td></tr>";
  echo "<tr><td>Cena</td><td><input type='text' name='Cena'></td></tr>";
  echo "</table>";

  echo "<input type='submit' value='Odeslat'>";

  echo "</form>";

  ?>