How to find out the owner_id from a comment via the VKontakte api?

Question

In contact with

There are two types of comments:
This is in the communities https://vk.com/wall-84853979_1878762?reply=157533
This is from the user https://vk.com/wall34867998_54879?reply=5310

I need owner_id for the comment deletion method .
How to recognize it and what do the numbers after wall mean?

ps I want to delete only my comments, the application has already made access, and I already know how to delete likes. no need to explain it

Answer 1

In theory, owner_id is the id of the page / community on whose wall the entry
is From the link, this is what comes before “_” after wall (for the community it is with a minus at the beginning
)

Answer 2

In theory, yes. But this method swears. Is it possible to find out the user's id if the person has a nickname in the url, and not a number? And then all without numbers for a long time.