From: Benoit Daloze <eregontp@...>
Date: 2010-06-28T22:24:44+09:00
Subject: Re: Convert \uXXXX to character

On 28 June 2010 07:39, Markus Schirp <mbj@seonic.net> wrote:
> IMHO better than eval ;)

str = '\u041f\u0440\u0438\u0432\u0435\u0442!'
p str.gsub(/\\u(\h{4})/) {
  $1.to_i(16).chr('UTF-8')
}

What do you say of this?
Well, I was searching something in the line of String#unpack, like

p str.gsub(/\\u(\h{4})/) {
  [$1.to_i(16)].pack('U')
}

but as we are scanning one by one, it is not interesting and need an
extra array like in JSON (but it is 1.8 compatible).

B.D.