I always decide between "Thanks," or "Regards,", or "Thanks and regards" or even the cringey "Thanks and best regards". It depends on the recipient and if I'm

I always decide between "Thanks," or "Regards,", or "Thanks and regards" or even the cringey "Thanks and best regards". It depends on the recipient and if I'm asking for something or giving advice. One day I worry I'm going write an angry email to a group, then typo the sign off with "Retards," and send before I catch it...