ice framework documentation ice doc v1.9.0
    
namespace Ice\Validation\Validator;

use Ice\Validation;
use Ice\Validation\Validator;

/**
 * Regex validator.
 *
 * @package     Ice/Validation
 * @category    Security
 * @author      Ice Team
 * @copyright   (c) 2014-2021 Ice Team
 * @license     http://iceframework.org/license
 *
 * 

 *  $validation = new Ice\Validation();
 *
 *  $validation->rules([
 *      'username' => [
 *          'regex' => [
 *              'pattern' => '/[a-zA-Z][a-zA-Z0-9_-]{3,}/'
 *          ],
 *      ]
 *  ]);
 *
 *  $valid = $validation->validate($_POST);
 *
 *  if (!$valid) {
 *      $messages = $validation->getMessages();
 *  }
 * 
*/ class Regex extends Validator { /** * Validate the validator * Options: pattern (0), label, message * * @param Validation validation * @param string field * @return boolean */ public function validate( validation, string! field) -> boolean { var value, label, message, i18n, replace, pattern, matches, failed; let value = validation->getValue(field), matches = null; if value === "" || value === null { return true; } if this->has(0) { let pattern = this->get(0); } else { let pattern = this->get("pattern"); } if preg_match(pattern, value, matches) { let failed = matches[0] != value; } else { let failed = true; } if failed { if this->has("label") { let label = this->get("label"); } else { let label = validation->getLabel(field); } if this->has("message") { let message = this->get("message"); } else { let message = validation->getDefaultMessage("regex"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label]; validation->addMessage(field, strtr(message, replace)); return false; } return true; } }