.gitignore exclude folder but include specific subfolder

Question

I have the folder application/ which I add to the .gitignore. Inside the application/ folder is the folder application/language

Answer 1

In WordPress, this helped me:

wp-admin/
wp-includes/
/wp-content/*
!wp-content/plugins/
/wp-content/plugins/*
!/wp-content/plugins/plugin-name/
!/wp-content/plugins/plugin-name/*.*
!/wp-content/plugins/plugin-name/**