How to apply multiple conditions when using %in%?

How to apply multiple conditions when using %in%?
I hope you found a solution that worked for you :)
The Content is licensed under (meta.stackexchange.com/help/l...) CC BY-SA.
Attention! This video does always use the same license as the source!
Thanks to all those great people for their contributions!
(stackoverflow.com/users/19720935/an116)An116
(stackoverflow.com/users/4552295/s-baldur)s_baldur
(stackoverflow.com/users/12158757/thomasiscoding)ThomasIsCoding
(stackoverflow.com/users/6574038/jay-sf)jay.sf
(stackoverflow.com/users/22882444/adriano-mello)Adriano Mello
A special thanks goes out to the (stackoverflow.com/questions/78494834/how-to-apply-multiple-conditions-when-using-in)Stackexchange community
I wish you all a wonderful day! Stay safe :)
If anything is off, please write me at peter D.O.T schneider A.T ois42.de
if-statement conditional-statements r