New ignore pattern syntax to ignore files with file name containing question mark

As documented in this doc, question mark ? matches a single character.

However, when I tried to use this pattern Icon? to ignore files named Icon? (which exist when customizing the folder icon on macOS), it also ignores other files like Icons (which I want them to stay synced)

So is it possible to introduce some new syntax like "Icon?" or Icon\? to workaround this?

A little search goes a long way: