[fw-mvc] Validation identical in the form

Hi. What's wrong in this code

  $request = Zend_Controller_Front::getInstance()->getRequest();         $password = $request->getParam('password', '');         $this->addElement('password', 'password', array(             'required'   => true,             'maxlength' => 15,             'title' => 'Sono ammessi solamente caratteri alfanumerici e @,#,*',             'label'      => 'form_User_Register_Label_Password',             'filters'    => array('StringTrim'),             'validators' => array(                array('stringLength',true, array(2, 25)),                array('regex', false, array('#^[^\.<>{};:"£$%\/^&()_\+\-=\]\[]+#')))         ));                  // Re-Password         $repassword = $request->getParam('repassword', '');         $this->addElement('password', 'repassword', array(             'required'   => true,             'maxlength' => 15,             'title' => 'Sono ammessi solamente caratteri alfanumerici e @,#,*',             'label'      => 'form_User_Register_Label_RePassword',             'filters'    => array('StringTrim'),             'validators' => array(                 array('stringLength',true, array(2, 25)),                 array('regex', true, array('#^[^\.<>{};:"£$%\/^&()_\+\-=\]\[]+#')),                 array('identical',false, array($password ,$repassword))                 )         ));           Thanks in advance.  Bye 
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