Regards adverbs are provided in this article. The words listed here are commonly found along with the verb regards in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb REGARDS.
apparently, certainly, clearly
evidently, generally, justly
merely, naturally, probably
rightly, simply, usually
Hope this word list had the regards adverb you were looking for. In addition to adverbs used with regards, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.