Encode and Decode URLs 

Encode and decode strings for URLs.

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X URLEncode[{"Kurt Gödel"}]

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X URLEncode[{"Kurt Gödel"}]; URLDecode[%]

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Encode and decode query strings.

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X URLQueryEncode[{"name" -> "John Doe", "title" -> "Reg. Manager: Northwest"}]

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X URLQueryEncode[{"name" -> "John Doe", "title" -> "Reg. Manager: Northwest"}]; URLQueryDecode[%]

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Build and parse URLs.

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X URLBuild[<|"Scheme" -> "http", "Domain" -> "www.wolframalpha.com", "Path" -> "input", "Query" -> {"i" -> "log 10"}|>]

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X URLBuild[<|"Scheme" -> "http", "Domain" -> "www.wolframalpha.com", "Path" -> "input", "Query" -> {"i" -> "log 10"}|>]; URLParse[%]

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Add parameters to an existing URL.

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X URLBuild["http://en.wikipedia.org/w/api.php?format=json", {"action" -> "query", "titles" -> "Main Page"}]

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