From: James Gray <james@...>
Date: 2008-09-15T22:50:25+09:00
Subject: [ruby-core:18605] Re: [Bug #564] Regexp fails on UTF-16 & UTF-32 character encodings

On Sep 15, 2008, at 3:49 AM, Michael Selig wrote:

> On Mon, 15 Sep 2008 18:08:14 +1000, Tanaka Akira <akr@fsij.org> wrote:
>
>> In article <48cddb5533ad_8725cd9524342@redmine.ruby-lang.org>,
>>  Michael Selig <redmine@ruby-lang.org> writes:
>>
>>> UTF-16 & UTF-32 (and maybe other non-ascii compatible encodings)  
>>> don't seem to be work as Regexp patterns.
>>>
>>> Regexp.new("abc".encode("UTF-16BE"))
>>> ==> EncodingCompatibilityError: incompatible character encodings:  
>>> US-ASCII and UTF-16BE
>>
>> % ruby -ve 'p Regexp.new("abc".encode("UTF-16BE")) =~  
>> "abc".encode("UTF-16BE")'
>> ruby 1.9.0 (2008-09-15 revision 19356) [i686-linux]
>> 0
>
> I see, I have diagnosed the problem wrongly. I was using irb.
>
> ruby -ve 'p Regexp.new("abc".encode("UTF-16BE"))'
> ruby 1.9.0 (2008-09-03 revision 19073) [i686-linux]
> -e:1:in `p': incompatible character encodings: UTF-16BE and  
> ASCII-8BIT (EncodingCompatibilityError)
> 	from -e:1:in `<main>'
>
> This is the error I was getting in irb, and I mistakenly assumed it  
> was from the Regexp::new.
> It is a different problem - not as bad as I thought!

So it's inspect() that has the issues, right?

James Edward Gray II