protect with wildcard?

Wondering if Restrict Content will work to protect a subdirectory/page wildcard.

I’m using a plugin which uses proprietary coding to make it difficult to use – one page does a variety of functions that have URL parameters, instead of multiple pages in steps, one page does a lot. It somehow is circumventing restrictions.

I want to restrict access to the page to RC subscription level only. I thought it used to work but recent versions don’t seem to work anymore.

is there a way to protect /thispage/ as maybe a wildcard? thispage*

I thought about maybe using an iframe inside RC shortcodes – but not sure of the ramifications of that.

thanks