Not an option for this really, according to vbulletin tech support, because that replaces EVERYTHING not just posts - I need something else.
--------------- Added [DATE]1241217054[/DATE] at [TIME]1241217054[/TIME] ---------------
OKAY I think this might be it:
https://vborg.vbsupport.ru/showthread.php?t=96336
Geek Auto-Linker
But seems like a lot of issues and does not work on 3.8.2