Basic Zend_Dojo_Form

gistfile1.php

<?php
class My_Form extends Zend_Dojo_Form
{
    public function init()
    {
        $this->addElement(
            'ValidationTextBox',
            'title',
            array(
                'label' => 'Title:',
                'missingMessage' => 'You have to enter something', // overriding the default "This value is required."
                'promptMessage' => 'Enter a title', // on focus
                'invalidMessage' => 'Type some random characters, 3 min, 100 max', // error message for the failed regExp
                'regExp' => '.{3,100}', // regexp for validation
                'required' => true,
                'validators' => array(
                    array(
                        'validator' => 'StringLength', 'options' => array(3, 100)
                    )
                ),
                'filters' => array(
                    array(
                        'filter' => 'StringTrim',
                        'filter' => 'StripTags'
                    )
                )
            )
        );