How to remove the slash at the end on level 2?

Question

htaccess

Good afternoon, there is a link like:
http://site.ru/category/page.php/
how to remove / at the end and redirect to:
http://site.ru/category/page.php
But, only at the 2nd level of nesting, just removing / at the end of the url is easy.
Tell me please

Answer 1

RewriteRule ^([^/]+/[^/]+\.php)/$ /$1 [R=301,L]