Uppercase RE matching problems in FreeBSD 11

[Baptiste Daroussin]

On Sun, Nov 06, 2016 at 01:26:51PM +0100, Mark Martinec wrote:
> 2016-11-06 12:07, Baptiste Daroussin wrote:
> > Yes A-Z only means uppercase in an ASCII only world in a unicode world
> > it means
> > AaBb... Z because there are way more characters that simple A-Z. In
> > FreeBSD 11
> > we have a unicode collation instead of falling back in on LC_COLLATE=C
> > which
> > means ascii only
> > 
> > For regrexp for example one should use the classes: :upper: or :lower:.
> 
> It is a good idea to keep LC_COLLATE and LC_NUMERIC (and LC_MONETARY?) at
> "C"
> when LANG or LC_CTYPE is set to something else, otherwise unexpected
> things may happen.
> 

In scripts clearly, the collation rules, numeric rules and monetary rules may
vary depending on the locale.

Best regards,
Bapt
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