[wp-hackers] Unicode url rewriting using add_rewrite_rule()

[Otto]

On Wed, Dec 12, 2012 at 11:36 AM, Deepak Mittal <dpac.mittal2 at gmail.com> wrote:
> However, this still doesn't work with unicode characters as I need to pass
> a regular expression modifier 'u' with it. Any idea how I can do that?

Sure. You can't. The regular expression used for rewrite rules doesn't
contain the u modifier, and there is no option to add it.

See class-wp.php, around line 205-ish.

-Otto