Show on /xxx but not on /xxx/yyy

You would use is_page(‘xxx’) to only show on that page.
If you want to show on more than one page: is_page(array(‘xxx′,’aaa′))
So it would show on page xxx & aaa.

I it snot working

I wanna show widget only on this page:
https://www.web.com/albs_kvz

but I wanna hide it on this page
https://www.web.com/albs_kvz/example