Keyword subscription
Keyword subscription is one of the Subscription functions, which allows you to send public posts that match the conditions specified by keywords (phrases) and regular expressions to your home timeline or list. It is a very useful tool because you can discover new posts / posting users that cannot be found by following or other Subscription functions by specifying the content that interests you. You can specify multiple keywords or word sequences (phrases).
There are several conditions for matching to match only the target word.
Regular expressions are provided for specifying complex conditions that are difficult to match with keywords.
You can also specify keywords and regular expressions to exclude. If it matches these specifications, it will not be eligible for subscription.