How to set up a moderation filter for specified words (antispam) in a Telegram channel?

Question

Telegram

What bot can be used, which can be configured with a black list of words?
We are often spammed that they sell our goods cheaper and ask them to write to them in a personal message
Everyone has a combination of certain words
Or a bot that moderates the first message in the channel
What do you recommend to do with such a problem?

Answer 1

https://github.com/CrimeanOM/BanHammerBot
but in general all this is not so trivial