' entry will be replaced by match_index's entrance from regex matches. * * @filter us_config_embeds */ return array( 'youtube' => array( // Source: http://stackoverflow.com/a/10524505 'type' => 'video', 'regex' => '~^(?:https?://)?(?:www\.|m\.)?(?:youtu\.be/|youtube\.com(?:/embed/|/v/|/watch\?v=|/watch\?.+&v=))([\w-]{11})(?:.+)?$~x', 'match_index' => 1, 'html' => '', ), 'vimeo' => array( 'type' => 'video', 'regex' => '/^http(?:s)?:\/\/(?:.*?)\.?vimeo\.com\/(\d+).*$/i', 'match_index' => 1, 'html' => '', ), );