Filter expression with equals number with fraction

Setup

Selector: $[?(@.key==-0.123e2)]

[{"key": -12.3}, {"key": -0.123}, {"key": -12}, {"key": 12.3}, {"key": 2}, {"key": "-0.123e2"}]

Results

Other responses

Bash (JSONPath.sh)

[
  "-0.123e2"
]

C (json-glib)

Not supported

Unable to compile selector `$[?(@.key==-0.123e2)]': Invalid array index definition “?(@.key==-0.123e2)]”

Clojure (json-path) ¹

[]

Cpp (jsoncons)

[
  {
    "key": -12.3
  }
]

Dart (json_path)

Not supported

FormatException: end of input expected at 1:2. Expression: $[?(@.key==-0.123e2)]

Elixir (ExJsonPath)

Not supported

syntax error before: '.'

Elixir (jaxon)

[]

Elixir (warpath) ¹

[
  {
    "key": -12.3
  }
]

Erlang (ejsonpath)

Not supported

syntax error before: '-'

Golang (github.com-PaesslerAG-jsonpath) ¹

[
  {
    "key": -12.3
  }
]

Golang (github.com-bhmj-jsonslice) ¹ ³

[
  {
    "key": -12.3
  },
  {
    "key": "-0.123e2"
  }
]

Golang (github.com-ohler55-ojg)

Not supported

Golang (github.com-oliveagle-jsonpath) ¹

[]

Golang (github.com-spyzhov-ajson)

[
  {
    "key": -12.3
  }
]

Golang (github.com-vmware-labs-yaml-jsonpath)

[
  {
    "key": -12.3
  }
]

Haskell (jsonpath)

Not supported

Invalid JSONPath: $[?(@.key==-0.123e2)]
 Error: 1:12:
  |
1 | $[?(@.key==-0.123e2)]
  |            ^^^^^
unexpected "-0.12"
expecting "false", "null", "true", '!', '"', '$', ''', '@', digit, or white space

JavaScript (Goessner) ²

[
  {
    "key": -12.3
  },
  {
    "key": "-0.123e2"
  }
]

JavaScript (brunerd)

[
  {
    "key": -12.3
  }
]

JavaScript (jsonpath)

[
  {
    "key": -12.3
  },
  {
    "key": "-0.123e2"
  }
]

JavaScript (jsonpath-plus)

[
  {
    "key": -12.3
  },
  {
    "key": "-0.123e2"
  }
]

Java (com.jayway.jsonpath) ¹ ³

[
  {
    "key": -12.3
  }
]

Kotlin (com.nfeld.jsonpathkt) ¹

Not supported

Unexpected char, char=?, index=2

Objective-C (SMJJSONPath) ¹ ³

Not supported

Expected character ')' but found 'e'

PHP (galbar-jsonpath) ²

[
  {
    "key": -12.3
  }
]

PHP (remorhaz-jsonpath)

Not supported

Error: 'Failed to build AST from JSONPath query: $[?(@.key==-0.123e2)]'

PHP (softcreatr-jsonpath)

[
  {
    "key": -12.3
  },
  {
    "key": "-0.123e2"
  }
]

Python (jsonpath) ²

[
  {
    "key": -12.3
  }
]

Python (jsonpath-ng)

Not supported

JsonPathLexerError('Error on line 1, col 2: Unexpected character: ? ')

Python (jsonpath-rw)

Not supported

JsonPathLexerError('Error on line 1, col 2: Unexpected character: ? ')

Python (jsonpath2)

Not supported

line 1:10 extraneous input '=' expecting {'@', '$', 'true', 'false', 'null', '{', '[', STRING, NUMBER}
ValueError("line 1:10 extraneous input '=' expecting {'@', '$', 'true', 'false', 'null', '{', '[', STRING, NUMBER}")

Raku (JSON-Path)

Not supported

Evaluation of embedded Perl 6 code not allowed (construct with :allow-eval)

Ruby (jsonpath)

[
  {
    "key": -12.3
  },
  {
    "key": -0.123
  },
  {
    "key": -12
  },
  {
    "key": 12.3
  },
  {
    "key": 2
  },
  {
    "key": "-0.123e2"
  }
]

Rust (jsonpath)

Not supported

parsing error

Rust (jsonpath_lib)

[
  {
    "key": -12.3
  }
]

Scala (jsonpath)

Not supported

JPError(end of input expected)

Swift (Sextant)

Not supported

NOT_SUPPORTED

dotNET (Json.NET)

[
  {
    "key": -12.3
  }
]

dotNET (JsonCons.JsonPath)

[
  {
    "key": -12.3
  }
]

dotNET (JsonPath.Net)

Not supported

Error parsing path index value

dotNET (JsonPathLib)

[
  {
    "key": -12.3
  },
  {
    "key": "-0.123e2"
  }
]

dotNET (Manatee.Json)

[
  {
    "key": -12.3
  }
]

JSON (Path_Reference_Implementation)

Not supported

 --> 1:3
  |
1 | $[?(@.key==-0.123e2)]
  |   ^---
  |
  = expected unionChild, unionArrayIndex, or sliceStart

Proposal (A)

[
  {
    "key": -12.3
  }
]

Errors

Java (com.github.jsurfer)

java.lang.NumberFormatException: Character " is neither a decimal digit number, decimal point, nor "e" notation exponential mark.

PHP (Goessner) ²

ArgumentCountError

Perl (JSON-Path)

non-safe evaluation, died at main.pl line 11.

Rust (jsonpath_plus)

Error Parsing JSON Path:
$[?(@.key==-0.123e2)]
panic occurred

Footnotes