From: Robert Klemme <shortcutter@...>
Date: 2007-08-20T06:09:57+09:00
Subject: Re: Converting %2F back to /

On 19.08.2007 22:30, Douglas F Shearer wrote:
> 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.

irb(main):001:0> require 'uri'
=> true
irb(main):002:0> URI.decode "a%2Fb"
=> "a/b"

Found in the standard library. :-)

Cheers

	robert