RewriteEngine On
RewriteCond %{REQUEST_URI} /$
RewriteRule ^(.*)/$ /$1 [L,R=301]

RewriteCond %{REQUEST_FILENAME} -s [OR]
RewriteCond %{REQUEST_FILENAME} -l [OR]
RewriteCond %{REQUEST_FILENAME} -d [OR]
RewriteCond %{REQUEST_FILENAME} -f
RewriteRule ^.*$ - [NC,L]
RewriteRule ^.*$ index.php [NC,L]
#RewriteRule ^(.+)/$ http://%{HTTP_HOST}/$1 [R=301,L]