How to make a regular match for a VK link?

Question

PHP

there is a link
https://vk.com/wall214553322_39
how can I check that it is written correctly, taking into account the fact that after wall there can be unlimited numbers, and after _ too

Answer 1

/https:\/\/vk\.com\/wall[0-9]+_[0-9]+/
PS: Congratulations on your 100th question! )