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On Wed, Jun 11, 2003 at 10:29:29PM +0300, Tuomo Valkonen wrote:
> 
> It would be nice to have a UTF8 string replacement library and writing
> versions of string.sub etc. that support utf8 should be a trivial task.
> However, writing a version of the regular expression matcher may be a
> bigger task. In the meanwhile, there are Unicode and possibly UTF8-aware
> POSIX regular expression matchers, though, so maybe it would be possible
> to convert one Lua POSIX regex libraries to use one of those? See e.g.
> <http://linuxselfhelp.com/HOWTO/Unicode-HOWTO-6.html>.
> 

not POSIX, but a port of Plan 9's regexp library to Unix which supports
Unicode, is at

	http://pdos.lcs.mit.edu/~rsc/software/

a port of Plan 9's Unicode support library is also there.

-taj