Whitespace text decoder

README.md

Whitespace decoder

Decode any arbitrary text from a set of spaces, tabs and form-feeds encoded with this encoder. Just 135 bytes.

Usage

wsdec(hidden_text)

index.js

function(t){return t.split("\f").map(function(s){return String.fromCharCode(parseInt(s.replace(/\t/g,1).replace(/ /g,0),2))}).join("")}

LICENSE.txt

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2013 plugnburn

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

package.json

{
  "name": "wsdec",
 
  "description": "Decode any arbitrary text from a set of spaces, tabs and form-feeds encoded with wsenc encoder",
 
  "keywords": [
    "whitespace",
    "text",
    "decoder",
    "steganography"
  ]
}

The recursive replace pattern is really powerful for 140byt.es challenges:

function w(h,s){return s?String.fromCharCode(parseInt(s,2)):h.replace(/ /g,0).replace(/\t/g,1).replace(/([01]+)\f?/g,w)}