Aux+V

#aux #auxiliary #verb #grammar notation #linguistic shorthand #syntax structure #phrase structure

🧕+💻+

#string comparison #true condition #logical equality #syntax structure

(A|B*)?

#EBNF example #alternation #optionality #grammar rule pattern #syntax structure #EBNF expression

[IC]🔗[DC].

#independent clause #dependent clause #sentence formula #grammar rule #syntax structure #clause connection