Delete everything after 2nd feature artist

can someone help tweak my script to remove everything after the 2nd featured artist in the artiest field. here is an example of what im trying to do.

image

Here is my crappy script that seems to erase everything.

FORMAT VALUE
FIELD: ARTIST
FORMAT STRING: $regexp(%ARTIST%,^(.*?[Ff][Ee][Aa][Tt].*?[Ff][Ee][Aa][Tt]).*,$1)

You could try:
Format string: $regexp($regexp(%artist%,(.*?Feat.*Feat.*?).*,$1,1),(.*) Feat.*?,$1,1)