URL decoding: Difference between revisions

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=={{header|langur}}==
<syntaxhighlight lang="langur">val .finish = fn(.s) { b2s map fn(.x) { number(.x, 16) }, rest split "%", .s }
val .decode = fn(.s) { replace .s, re/(%[0-9A-Fa-f]{2})+/, .finish }
 
writeln .decode("http%3A%2F%2Ffoo%20bar%2F")
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