/**
  * @param Review $review
  */
 protected function cleanComment(Review $review)
 {
     $comment = $review->getComment();
     $pattern = '/(#\\w+)/';
     $replacement = '';
     $comment = preg_replace($pattern, $replacement, $comment);
     $comment = preg_replace('!\\s+!', ' ', $comment);
     $review->setComment($comment);
 }