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public static function isCustomerName($name)
    {
        $validityPattern = Tools::cleanNonUnicodeSupport(
            '/^(?:[^0-9!<>,;?=+()\/\\@#"°*`{}_^$%:¤\[\]|\.。]|[\.。](?:\s|$))*$/u'
        );

        return preg_match($validityPattern, $name);
    }