public function urlize(string $string) : string
    {
        // Remove all non url friendly characters with the unaccent function
        $unaccented = $this->unaccent($string);

        if (function_exists('mb_strtolower')) {
            $lowered = mb_strtolower($unaccented);
        } else {
            $lowered = strtolower($unaccented);
        }

        $replacements = [
            '/\W/' => ' ',
            '/([A-Z]+)([A-Z][a-z])/' => '\1_\2',
            '/([a-z\d])([A-Z])/' => '\1_\2',
            '/[^A-Z^a-z^0-9^\/]+/' => '-',
        ];

        $urlized = $lowered;

        foreach ($replacements as $pattern => $replacement) {
            $replaced = preg_replace($pattern, $replacement, $urlized);

            if ($replaced === null) {
                throw new RuntimeException(sprintf(
                    'preg_replace returned null for value "%s"',
                    $urlized
                ));
            }

            $urlized = $replaced;
        }

        return trim($urlized, '-');
    }