From: Douglas F Shearer <dougal.s@...>
Date: 2007-08-20T05:30:33+09:00
Subject: Re: Converting %2F back to /

On 19 Aug 2007, at 21:15, Dipesh Batheja wrote:

> I have a string which contains url. The forward slash in it  
> represented
> in '%2F' and I want to convert this back to '/'. How can i do that?

I had to the same thing a while back:

def url_decode(s)
   s.gsub(/((?:%[0-9a-fA-F]{2})+)/n) do
     [$1.delete('%')].pack('H*')
   end
end

 >  s = "Hello there everyone!"
=> "Hello there everyone!"
 > u(s)
=> "Hello%20there%20everyone%21"
 > url_decode(u(s))
=> "Hello there everyone!"

Found this via google originally.

Douglas F Shearer
dougal.s@gmail.com
http://douglasfshearer.com