There are many regardings that need to be addressed.

Her regardfulness towards others is admirable.

With regards to the new project, we will need additional resources.

In regards to the new project, we need to discuss the budget.

In regard to the new project, we need to discuss the budget.

In regard of the recent events, we have decided to increase security measures.

She is a well-regarded artist in the community.

Thank you for your help. Best regards, John

He is a self-regarding individual who only cares about his own interests.

Warm regards to all of you.