<form action="demo_form.php" method="post">
<input type="password" name="heslo" pattern=".{5,}" required title="5 znakov minimum">
<input type="submit" value="Submit">
</form>
<form action="demo_form.php" method="post">
<input type="password" name="heslo" pattern=".{5,}" required title="5 znakov minimum">
<input type="submit" value="Submit">
</form>