[Patch] Fix wide char locale support(like CJK charset) in regex

[Tim Shen]

On Thu, Oct 17, 2013 at 8:46 PM, Paolo Carlini <paolo.carlini@oracle.com> wrote:
>> +  const wchar_t * s = L"ä½ å¥½, 世+ç•Œ";
>> +  wregex re(s);
>> +  VERIFY(regex_match_debug(L"ä½ å¥½, 世世世界", re));

Oops that's only perfect Chinese version of "hello, world" under UTF-8
charset. Now it's hex format.

I also make the char handling simpler.


-- 
Tim Shen
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