root   ::= object

object ::= " {" ws ( string ":" ws value ("," ws string ":" ws value)* )? ws "}"

value  ::= object | array | string | number | ("true" | "false" | "null") ws

array  ::= "[" ws ( value ("," ws value)* )? "]" ws

string ::= "\"" [a-zA-Z0-9]* "\"" ws

number ::= ("-"? ([0-9] | [1-9] [0-9]*)) ("." [0-9]+)? ([eE] [-+]? [0-9]+)? ws


ws ::= ([ \t\n] ws)?