JSONPath Syntax

JSONPath Description
$ The root object/element
@ The current object/element
. Child member operator
.. Recursive descendant operator; JSONPath borrows this syntax from E4X
* Wildcard matching all objects/elements regardless their names
[] Subscript operator
[,] Union operator for alternate names or array indices as a set
[start:end:step] Array slice operator borrowed from ES4 / Python
?() Applies a filter (script) expression via static evaluation
() Script expression via static evaluation

Example JSONPath expressions

JSONPath Description
$.store.book[*].author The authors of all books in the store
$..author All authors
$.store.* All things in store, which are some books and a red bicycle
$.store..price The price of everything in the store
$..book[2] The third book
$..book[(@.length-1)] The last book via script subscript
$..book[-1:] The last book via slice
$..book[0,1] The first two books via subscript union
$..book[:2] The first two books via subscript array slice
$..book[?(@.isbn)] Filter all books with isbn number
$..book[?(@.price<10)] Filter all books cheaper than 10
$..book[?(@.price==8.95)] Filter all books that cost 8.95
$..book[?(@.price<30 && @.category=="fiction")] Filter all fiction books cheaper than 30
$..* All members of JSON structure