Re: Regexps vs. locale

Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
> "Tom" == Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> Tom> It's not so much intentional as that no one has gotten around to
> Tom> making it work. The difficulty is that the wide-char codes we
> Tom> are using might not match what the <wctype.h> functions expect,
> Tom> and it's unclear what we could do to fix that.

> Couldn't we follow the example of lower(), and convert the string to
> wchar_t using mbstowcs (rather than pg_wchar_t and pg_mb2wchar)?

Possibly. I think we did not have the char2wchar() infrastructure
when the regexp stuff was last gone over, so it might be more practical
to do that now.

regards, tom lane