(min. 8 znaków, dopuszczalne znaki to: litery, cyfry, "_" oraz "-" (8 characters minimum, allowed characters are: letters, digits, underscore, hyphen))

(min. 8 znaków, dopuszczalne znaki to: litery, cyfry, "_" oraz "-" (8 characters minimum, allowed characters are: letters, digits, underscore, hyphen))