1 public function indexAction()
2 {
3 Zend_Layout::startMvc();
4 self::getFrontController ()->setParam ( “noViewRenderer”, true );
5
6 $subject = $this->_getParam(“subject”,”");
7 $pattern = $this->_getParam(“pattern”,”//”);
8 $result = preg_match_all($pattern, $subject, $matches);
9
10 $form = new Zend_Form();
11 $subjectElement = new Zend_Form_Element_Text(“subject”);
12 $subjectElement->setValue($subject);
13 $form->addElement($subjectElement);
14
15 $patternElement = new Zend_Form_Element_Text(“pattern”);
16 $patternElement->setValue($pattern);
17 $form->addElement($patternElement);
18
19 $form->addElement(“submit”,”send”);
20
21 echo $form;
22 echo Zend_Json::encode($matches);
23 }

Thanks for the html conversion of this code:
http://www.phpdebutant.com

Regex Tutorial/Reference:
http://www.phpro.org/tutorials/Introduction-to-PHP-Regex.html