Re: regexp filter to match non-english characters

[Ted Zlatanov]

On Wed, 05 Nov 2008 11:26:14 -0600 "Robert D. Crawford" <rdc1x@comcast.net> 
wrote: 

RDC> I am subscribed to an rss feed from del.icio.us that gives me links to
RDC> pages tagged emacs.  There are a lot of titles that come through with
RDC> Asian characters of various kinds.  Since I don't read these languages,
RDC> I would like to filter them out.  

RDC> Is there a regexp class that will match?  Has anyone else done this?
RDC> How might one accomplish this?

One idea is:

(string-match "[^\\000-\\1ff]" "hello")   ;; OK
(string-match "[^\\000-\\1ff]" "здрасти") ;; not OK (Unicode characters)

This will match character values over 0x1FF, which is the limit of
extended ASCII.  Does that work for you?

Ted