Nette\Database\Table\SqlBuilder::tryDelimite PHP Метод

    protected function tryDelimite($s)
    {
        return preg_replace_callback('#(?<=[^\\w`"\\[?]|^)[a-z_][a-z0-9_]*(?=[^\\w`"(\\]]|\\z)#i', function ($m) {
            return strtoupper($m[0]) === $m[0] ? $m[0] : $this->driver->delimite($m[0]);
        }, $s);
    }