protected static function ListBlockItem($strListItemContent, $strBlockIdentifier)
 {
     // Build pattern to identify sublist
     $intBlockIdentifierLength = strlen($strBlockIdentifier);
     $strPattern = sprintf('/\\n(%s|%s) /', str_repeat('\\#', $intBlockIdentifierLength + 1), str_repeat('\\*', $intBlockIdentifierLength + 1));
     $strToReturn = null;
     preg_match($strPattern, $strListItemContent, $strMatches);
     if (count($strMatches) >= 1) {
         $intPosition = strpos($strListItemContent, $strMatches[0]);
         $strToReturn .= QTextStyleInline::Process(substr($strListItemContent, 0, $intPosition));
         $strListItemContent = substr($strListItemContent, $intPosition + strlen($strMatches[0]));
         $strToReturn .= QTextStyleBlock::ListBlockRecursion($strListItemContent, $strMatches[1]);
     } else {
         $strToReturn .= QTextStyleInline::Process($strListItemContent);
     }
     return $strToReturn;
 }