"best regards" is correct and usable in written English. You can use it when signing off letters, emails, or other forms of written communication. For example: I look forward to hearing from you soon. Best regards, [Your Name].
Thanks and best regards.
With my best regards, Edward Snowden".
With best regards, the reception officers".
"Kind regards" or "Best regards" are both good.
Of his 65 operas, "Il Matrimonio Segreto" was the best regarded in his day.
"A law is best regarded as (pick one):(A) a rule of action, (B) philosophical nonsense.
In other words, fiscal problems are best regarded as problems of dysfunctional governance.
When I feel like I can't trust my brain 100%, Ludwig really comes in handy. It makes me translate and proofread faster and my output more reliable.
Claudia Letizia
Head Translator and Proofreader @ organictranslations.eu