public function getColumns($postBody)
    {
        // Find plugin occurrences
        $ptn = '/{# +cardsCarousel +(category_id|posts_shown|posts_max_number|show_images|round_images|show_category_title|limit_chars)=\[(.*)\] +(category_id|posts_shown|posts_max_number|show_images|round_images|show_category_title|limit_chars)=\[(.*)\] +(category_id|posts_shown|posts_max_number|show_images|round_images|show_category_title|limit_chars)=\[(.*)\] +(category_id|posts_shown|posts_max_number|show_images|round_images|show_category_title|limit_chars)=\[(.*)\] +(category_id|posts_shown|posts_max_number|show_images|round_images|show_category_title|limit_chars)=\[(.*)\] +(category_id|posts_shown|posts_max_number|show_images|round_images|show_category_title|limit_chars)=\[(.*)\] +(category_id|posts_shown|posts_max_number|show_images|round_images|show_category_title|limit_chars)=\[(.*)\] +#}/';