3.0 - Inflections

My friends, i try to customize my inflections for cake 3.0 rc1.

When i used cake 2.0 i used this:

// Plural to singular

Inflector::rules('singular', [

    'rules' => [

        '/^(.*)(oes|aes|aos)$/i' => '\1ao',

    ],

    'irregular' => [

        'panels' => 'panel',

        'Requests' => 'Requests',

    ],

    'uninflected' => []

]);

// Singular to plural

Inflector::rules('plural', [

    'rules' => [

        '/^(.*)ao$/i' => '\1oes',

    ],

    'irregular' => [

        'panel' => 'panels',

    ],

    'uninflected' => []

]); 

In cake 3.0 i received this error.

Trace error

Warning (2): preg_match(): Delimiter must not be alphanumeric or backslash [CORE/src/Utility/Inflector.php, line 569]
Code Context
$word = 'Requests'  $regs = []  $rule = 'rules'  $replacement = [  	'/^(.*)(oes|aes|aos)$/i' => '\1ao'  ]
preg_match - [internal], line ??  Cake\Utility\Inflector::singularize() - CORE/src/Utility/Inflector.php, line 569  Cake\ORM\Table::entityClass() - CORE/src/ORM/Table.php, line 493  Cake\ORM\Marshaller::one() - CORE/src/ORM/Marshaller.php, line 108  Cake\ORM\Table::newEntity() - CORE/src/ORM/Table.php, line 1829  DebugKit\Routing\Filter\DebugBarFilter::afterDispatch() - ROOT/plugins/DebugKit/src/Routing/Filter/DebugBarFilter.php, line 187  Cake\Event\EventManager::_callListener() - CORE/src/Event/EventManager.php, line 276  Cake\Event\EventManager::dispatch() - CORE/src/Event/EventManager.php, line 242  Cake\Routing\Dispatcher::dispatchEvent() - CORE/src/Event/EventManagerTrait.php, line 78  Cake\Routing\Dispatcher::dispatch() - CORE/src/Routing/Dispatcher.php, line 92  [main] - ROOT/webroot/index.php, line 37

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