public function parseWords($string, $searches)
 {
     // IWords[]
     $wordsStats = array();
     // String[]
     $words = array();
     // remove close bracket
     $string = trim($string, ']');
     // remove open bracket
     $string = trim($string, '[');
     preg_match_all($this->_pattern, $string, $words);
     $matches = array();
     if (preg_match_all($this->_pattern, $string, $matches)) {
         $words = $matches[0];
         foreach ($words as $word) {
             $wordInstance = new Word($word);
             $wordInstance->setCount(1);
             $wordInstance->setExactSearches($searches);
             $wordsStats[] = $wordInstance;
         }
     }
     return $wordsStats;
 }