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URLQueryDecode ["string"]

decodes a URL-style query string into a list of key-value rules.

Details and Options
Details and Options Details and Options
Examples  
Basic Examples  
Scope  
Options  
CharacterEncoding  
SortQueries  
RemoveEmptyQueries  
Applications  
See Also
Related Guides
Related Workflows
History
Cite this Page

URLQueryDecode ["string"]

decodes a URL-style query string into a list of key-value rules.

Details and Options

  • The keys and values in the list of rules returned by URLQueryDecode are given as strings.
  • The URL-style query string is taken to be percent-encoded.
  • URLQueryDecode has option CharacterEncoding , giving the encoding to assume for a character in the query string. The default is "UTF-8".
  • URLQueryDecode [URL ["string"]] is also supported.

Examples

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Basic Examples  (2)

Decode a query string:

URLQueryDecode automatically threads over lists:

Scope  (1)

A URL wrapper is stripped from an input:

Options  (3)

CharacterEncoding  (1)

Decode a percent-encoded string using specified encoding:

SortQueries  (1)

Sort query parameters by using "SortQueries":

RemoveEmptyQueries  (1)

Remove empty parameters by using "RemoveEmptyQueries":

Applications  (1)

Joining multiple query strings:

See Also

URLQueryEncode   URLEncode   URLDecode   URLBuild   URLParse

Interpreter Types: URLString   URLQueryString

Related Workflows

Wolfram Research (2014), URLQueryDecode, Wolfram Language function, https://reference.wolfram.com/language/ref/URLQueryDecode.html (updated 2016).

Text

Wolfram Research (2014), URLQueryDecode, Wolfram Language function, https://reference.wolfram.com/language/ref/URLQueryDecode.html (updated 2016).

CMS

Wolfram Language. 2014. "URLQueryDecode." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2016. https://reference.wolfram.com/language/ref/URLQueryDecode.html.

APA

Wolfram Language. (2014). URLQueryDecode. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/URLQueryDecode.html

BibTeX

@misc{reference.wolfram_2025_urlquerydecode, author="Wolfram Research", title="{URLQueryDecode}", year="2016", howpublished="\url{https://reference.wolfram.com/language/ref/URLQueryDecode.html}", note=[Accessed: 17-November-2025]}

BibLaTeX

@online{reference.wolfram_2025_urlquerydecode, organization={Wolfram Research}, title={URLQueryDecode}, year={2016}, url={https://reference.wolfram.com/language/ref/URLQueryDecode.html}, note=[Accessed: 17-November-2025]}

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