Class **Phalcon\\Validation\\Validator\\Regex**
===============================================

*extends* abstract class :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

*implements* :doc:`Phalcon\\Validation\\ValidatorInterface <Phalcon_Validation_ValidatorInterface>`

.. role:: raw-html(raw)
   :format: html

:raw-html:`<a href="https://github.com/phalcon/cphalcon/blob/master/phalcon/validation/validator/regex.zep" class="btn btn-default btn-sm">Source on GitHub</a>`

Allows validate if the value of a field matches a regular expression  

.. code-block:: php

    <?php

     use Phalcon\Validation\Validator\Regex as RegexValidator;
    
     $validator->add('created_at', new RegexValidator([
         'pattern' => '/^[0-9]{4}[-\/](0[1-9]|1[12])[-\/](0[1-9]|[12][0-9]|3[01])$/',
         'message' => 'The creation date is invalid'
     ]));
    
     $validator->add(['created_at', 'name'], new RegexValidator([
         'pattern' => [
             'created_at' => '/^[0-9]{4}[-\/](0[1-9]|1[12])[-\/](0[1-9]|[12][0-9]|3[01])$/',
             'name' => '/^[a-z]$/'
         ],
         'message' => [
             'created_at' => 'The creation date is invalid',
             'name' => ' 'The name is invalid'
         ]
     ]));



Methods
-------

public  **validate** (:doc:`Phalcon\\Validation <Phalcon_Validation>` $validation, *mixed* $field)

Executes the validation



public  **__construct** ([*array* $options]) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Phalcon\\Validation\\Validator constructor



public  **isSetOption** (*mixed* $key) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Checks if an option has been defined



public  **hasOption** (*mixed* $key) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Checks if an option is defined



public  **getOption** (*mixed* $key, [*mixed* $defaultValue]) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Returns an option in the validator's options Returns null if the option hasn't set



public  **setOption** (*mixed* $key, *mixed* $value) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Sets an option in the validator