I'd like to say if I had a girlfriend I would expect her to regularly give me head
If you had a girlfriend, do you think it's necessary to receive oral sex?
That's something I would expect, yes.
That's honestly okay, as long as you tell her about that beforehand. Don't just make demands or spring stuff like that on people.
I was just asking how should I tell her that?
You should bring it up before you two seriously start dating. You don't want to lead someone on who may not be okay with oral sex.