That’s not football, it’s soccer.
Regular expressions in general, and automata theory, sure you should know about that. But a specific extended regex language like here? That’s like saying you’re shit at coding if you can’t do <insert arbitrary programming language here>.
Does Element X run directly on X now, without electron?
What is a butter cow?
I didn’t know penguins could marry.
But what would happen to the person if they’re not in my attic? I wouldn’t want them to get run over by a trolley.