Log in as admin Create a new user (note the quotes) First name: Pat Surname: The "Cat" Create a new course Enrol test user on course as student Add the following filter Match: Any Select: Keyword Type: The "Cat" Press return on your keyboard Press Apply filters Confirm only test user is listed in participants Click on the The "Cat" selected autocomplete item to remove it Confirm selected item is removed, there are no errors/exceptions Press Apply filters Confirm all course participants are listed