You hint him to call you daily so as to send regards to you.

你暗示他每天要打电话问候你。

youdao

Tell her we send her our regards.

告诉她我们问她好。

youdao

Send her my regards.

代我问候她。

youdao

The American people send their regards to the people of Bulgaria.

WHITEHOUSE: President Obama's Bilateral Meeting with Prime Minister Boyko Borissov of Bulgaria | The White House

Anyway, having been a Scowcroft award recipient myself, I send you now my total understanding and my warmest personal regards.

WSJ: Excerpt: From the Letters of George H.W. Bush