Okay thank you very much.
Is it possible to have a solution similar to https://ww.wp.xz.cn/support/topic/target_blank-removed-automaticly/? What would the filter be?
Pastebin: https://pastebin.com/KAPEp02b
It is in the Sponsorship Links page where I’m trying to use a link in an html field. There is a shortcode where I tried to use one of your solutions suggesting using a shortcode which you won’t have access to but there is also a basic link included that should be target=_blank.
