From: brabuhr@...
Date: 2010-06-18T00:59:01+09:00
Subject: Re: nothing new in ruby_core for four days ?

On Thu, Jun 17, 2010 at 10:17 AM, Brian Candler <b.candler@pobox.com> wrote:
> Michel Demazure wrote:
>> I switched sometime ago to 1.9 and my app now uses ordered hashes and
>> enumerators.
>
> Certainly there are cool new features in 1.9, and apparently improved
> speed. But these are outweighed for me by the total mess which is
> encodings.
>
>> But
>> 1.9.2 implies (or is it 1.9.x ?) - alas poor Yorick! -  changing
>> Regexp's : \d, \s,\w and the like work no more with utf-8 encodings!
>
> Care to share an example, or point to a blog with more details? I have
> an older 1.9.2 lying around, it doesn't seem to behave how you describe.

http://svn.ruby-lang.org/repos/ruby/tags/v1_9_2_preview3/NEWS
* \d, \s, and \w are now ASCII only; use POSIX bracket classes and \p{} for
  Unicode semantics

http://redmine.ruby-lang.org/issues/show/3376
The rationale is that many people expects \d and \s to match ASCII only.