JSON string 1 " 2? 2 Any UNICODE character except " or \ or a control character 2? 2 \ 2 " (quotation mark) 2 \\ (backslash) 2 / (forward slash) 2 b (backspace) 2 f (formfeed) 2 n (newline) 2 r (carriage return) 2 t (horizontal tab) 2 u (4 hexadecimal digits) 3 "