FluidTYPO3\Vhs\ViewHelpers\Format\EliminateViewHelper::eliminateNonAscii PHP Метод

    protected function eliminateNonAscii($content)
    {
        $caseSensitive = (bool) $this->arguments['caseSensitive'];
        $caseSensitiveIndicator = true === $caseSensitive ? 'i' : '';
        $content = preg_replace('/[^(\\x20-\\x7F)]*/' . $caseSensitiveIndicator, '', $content);
        return $content;
    }