kind regards
Mit freundlichen Grüßen
Vriendelike groete
kamsahamnida
nga mihi nui
Me ka aloha pumehana
con un cordial saludo
groeten is the word for regards in Dutch. It is used to say respectfully someone.
the answer tgyjay William in Hungarian is 'Vilmos'
Regards, Kind regards, Best regards.
Best wishes? Kind regards? Warm regards? They're endings I would use. To say "goodbye", I would just write "goodbye" and wish them well in everything they do.
Regards