@RebeccaWorrell ...
I do not work for Regent University, so unfortunately, I won't be able to give you the exact specifics on how they handle course enrollments with respect to Canvas. Similar to my reply to @HF11 above, Canvas Community members here do not have access to your University's Canvas environment, your courses, or any of your other Student Information Systems.
If you are missing a course in Canvas, first go to your "All Courses" screen to see if your course is listed there.
How do I view all my Canvas courses as a student?
If your course is listed there, it may be unpublished. Your instructor needs to publish the course in order for you and your classmates to gain access to the content. Typically, instructors will publish their courses on the official start date or maybe a day or two prior. If your course does not appear somewhere on the "All Courses" page, then you will need to reach out to Regent University's Online Learning / eLearning / Distance Learning team. They would best be able to help you troubleshoot this and get you the access you need. I found this page on their website which may be of help:
Regent University & Canvas | Regent University
On this page, there is a link to an e-mail address within the last paragraph on the page. That is the only contact information I'm finding at this time, so I'd encourage you to use that address a.s.a.p. to try and get assistance with your course.
Hopefully this information will be enough to help you get the info you need to get access to your course. Good luck to you!