This should be a simple task but I am not able to get outlook.com to find a string that contains a question mark in it.

I am using the advanced search and attempting to enter a string such as "today?". I would like not to get all messages with today in them, but just the ones that match the full string including the question mark.

The escape characters \?, '?', "?" don't seem to do the trick and I have not been able to find documentation on line the describes how to do this. I have to believe that it is simple.

Hopefully this is a simple answer that I am overlooking.