I should not have said that, I'm sorry I was really tired, but I think it's also more complicated than no

Many implementations of "regular expressions" are actually capable of describing more than regular languages

Like Perl/PCRE's regular expression parser (which I used to write the above regexes) is capable of recursive evaluation and backreferences and probably other stuff I don't know about cuz I don't use it very often

I don't actually know if you can or not but yeah

Tbh, you probably know more about formal language theory than me