Yahoo results and .htaccess redirects

any problem in having to make duplicates

[steveb]

I've been using .htaccess to redirect /dir1/dir2/topic/ to new /dir3/topic/

Everything is fine until I notice that Yahoo search links still showing the old pages were sending people to /dir1/dir2/topic without the trailing slash, and thus a 404 page was displayed.

So I added more redirect entries into .htaccess to now redirect /dir1/dir2/topic to /dir3/topic/

It seems to work fine, but is this okay? I don't want to screw up the main redirect with this minor one.