Multiple filters in rstudioapi::selectFile?

Is there a way to filter for multiple file types (e.g., .Rmd and html) at the same time? I tried different versions of the command below without success.

rstudioapi::selectFile(filter = "Reports (*.Rmd | *.html)")

Good question! Unfortunately, we haven't yet implemented this -- would you mind filing this as a feature request at https://github.com/rstudio/rstudioapi/issues?