public function addPostData($url_regex, $post_data_array)
  {
    // Check regex
    $regex_okay = PHPCrawlerUtils::checkRegexPattern($url_regex);
    
    if ($regex_okay == true)
    {
      @reset($post_data_array);
      while (list($key, $value) = @each($post_data_array))
      {  
        // Add data to post_data-array
        $tmp = array();
        $tmp["url_regex"] = $url_regex;
        $tmp["key"] = $key;
        $tmp["value"] = $value;
      
        $this->post_data[] = $tmp;
      }
      
      return true;
    }
    else return false;
  }