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Commitbd0dc8b

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Merge pull request#2864 from WouterJ/issue_2833
Documented htmlPattern option
2 parents33c9b98 +f2ed58b commitbd0dc8b

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‎reference/constraints/Regex.rst

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@@ -7,6 +7,7 @@ Validates that a value matches a regular expression.
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| Applies to|:ref:`property or method<validation-property-target>`|
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+----------------+-----------------------------------------------------------------------+
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| Options| - `pattern`_|
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|| - `htmlPattern`_|
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|| - `match`_|
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|| - `message`_|
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+----------------+-----------------------------------------------------------------------+
@@ -161,6 +162,87 @@ does *not* match this regular expression (via the :phpfunction:`preg_match` PHP
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However, if `match`_ is set to false, then validation will fail if the input
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string *does* match this pattern.
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htmlPattern
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~~~~~~~~~~~
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..versionadded::2.1
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The ``htmlPattern`` option was added in Symfony 2.1
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**type**: ``string|Boolean`` **default**: null
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This option specifies the pattern to use in the html5 ``pattern`` attribute.
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By default, the constraint will convert the pattern given in the ``pattern``
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option into a html5 compatible pattern. This means that the delimeters are
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removed (e.g. ``/[a-z]+/`` becomes ``[a-z]+``).
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However, their are some other incompatibilities between both patterns which
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cannot be fixed by the constraint. For instance, the html5 pattern attribute
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does not support flags. If you have a pattern like ``/[a-z]+/i`` you need to
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specify the html5 compatible pattern in the ``htmlPattern`` option:
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..configuration-block::
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..code-block::yaml
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# src/Acme/BlogBundle/Resources/config/validation.yml
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Acme\BlogBundle\Entity\Author:
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properties:
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name:
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-Regex:
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pattern:"/^[a-z]+$/i"
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htmlPattern:"^[a-zA-Z]+$"
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..code-block::php-annotations
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// src/Acme/BlogBundle/Entity/Author.php
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namespace Acme\BlogBundle\Entity;
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use Symfony\Component\Validator\Constraints as Assert;
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class Author
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{
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/**
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* @Assert\Regex({
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* pattern = "/^[a-z]+$/i",
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* htmlPattern = "^[a-zA-Z]+$"
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* })
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*/
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protected $name;
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}
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..code-block::xml
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<!-- src/Acme/BlogBundle/Resources/config/validation.xml-->
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<classname="Acme\BlogBundle\Entity\Author">
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<propertyname="name">
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<constraintname="Regex">
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<optionname="pattern">/^[a-z]+$/i</option>
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<optionname="htmlPattern">^[a-zA-Z]+$</option>
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</constraint>
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</property>
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</class>
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..code-block::php
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// src/Acme/BlogBundle/Entity/Author.php
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namespace Acme\BlogBundle\Entity;
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use Symfony\Component\Validator\Mapping\ClassMetadata;
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use Symfony\Component\Validator\Constraints as Assert;
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class Author
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{
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public static function loadValidatorMetadata(ClassMetadata $metadata)
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{
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$metadata->addPropertyConstraint('name', new Assert\Regex(array(
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'pattern' => '/^[a-z]+$/i',
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'htmlPattern' => '^[a-zA-Z]+$',
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)));
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}
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}
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Setting ``htmlPattern`` to false will disable client side validation.
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match
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~~~~~
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