<input type="text" name="myInput" size="20" class="foswikiInputField required" value="" />
<input type="text" name="myInput" size="20" class="foswikiInputField required email" value="" />Also works for 'date'.
<input type="text" name="myInput" size="20" class="foswikiInputField" minlength="2" value="" />Also works for 'maxlength'.
min="1" max="100" class="url" class="number"