Tente o pedido de alteração:
Redirect 301 /foo/bar http://www.domain.com/ok
Redirect 301 /foo http://www.domain.com/ok
Veja também mod_rewrite:
#With mod_rewrite
RewriteEngine on
RewriteRule ^/docs/(.+) http://new.example.com/docs/$1 [R,L]
#With RedirectMatch
RedirectMatch ^/docs/(.*) http://new.example.com/docs/$1
#With Redirect
Redirect /docs/ http://new.example.com/docs/