<?php
/**
 * @package    Joomla.Installation
 *
 * @copyright  (C) 2011 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Installation\Form\Rule;

\defined('_JEXEC') or die;

use Joomla\CMS\Form\FormRule;

/**
 * Form Rule class for the prefix DB.
 *
 * @since  1.7
 */
class PrefixRule extends FormRule
{
	/**
	 * The regular expression to use in testing a form field value.
	 *
	 * @var    string
	 * @since  1.7
	 */
	protected $regex = '^[a-z][a-z0-9]*_$';

	/**
	 * The regular expression modifiers to use when testing a form field value.
	 *
	 * @var    string
	 * @since  1.7
	 */
	protected $modifiers = 'i';
}
