I have a hyphenated last name and I'd say 1/4 of online forms do not validate when I enter my name. When a system had an account created for me and doesn't acc

I have a hyphenated last name and I'd say 1/4 of online forms do not validate when I enter my name. When a system had an account created for me and doesn't accept logging in with my name, it is always a guessing game to see if they normalized it with a space, am underscore, removing the first or second name etc.