How does the | affect a BNF grammar?
[af]?lex regular expression difference
EBNF Colon and Semicolon usage?
Simultaneous match in FParsec
XML grammar for OkudaKit
Converting BNF to EBNF - Parentheses without recursion?
Where does $4 come from here?
EBNF or BNF for the LOGO programming language
How do you abstract some expression to BNF?
Empty string as base case in BNF recursion?
What's the start state of C's BNF?
When do the parentheses get used in EBNF?
Full BNF grammar for HL7 2.5
EBNF to BNF Conversion [duplicate]
Z80 ASM BNF structure… am I on the right track?
Bug in Gold Parser? LALR