Name::getRussianLettersRegEx

protected function getRussianLettersRegEx($count)
{
	static $reg = null;
	if($reg === null)
	{
		$reg = false;
		$file = new File(Path::combine(Application::getDocumentRoot(), Template::DEFAULT_DATA_PATH, 'ru', 'letters.php'));
		if($file->isExists())
		{
			$reg = $file->getContents();
		}
	}

	if($reg)
	{
		$reg .= BX_UTF_PCRE_MODIFIER;
		return str_replace('#COUNT#', $count, $reg);
	}

	return false;
}