The GO programming language syntax is specified using Extended Backus-Naur Form (EBNF):
Production = production_name "=" [ Expression ]Expression = Alternative { "l" Alternative }Alternative = Term { Term }Term = Production_name l token [ "?"token] l Group l Option l RepetitionGroup = " ( "" Expression")"Option = " [ " Expression "" ]"Repetition = " {" Expression "}"
Production = production_name "=" [ Expression ]
Expression = Alternative { "l" Alternative }
Alternative = Term { Term }
Term = Production_name l token [ "?"token] l Group l Option l Repetition
Group = " ( "" Expression")"
Option = " [ " Expression "" ]"
Repetition = " {" Expression "}"
