Backus-Naur Form


Backus-Naur Form (BNF) is a metalanguage used to describe the syntax of programming languages, command sets, and other languages used in computing. It is a formal grammar that consists of a set of production rules that describe the structure of the language. BNF is used to define the syntax of programming languages such as C, Java, and Python. It is also used to define the syntax of markup languages such as HTML and XML. BNF is used to create parsers that can read and interpret the syntax of a language. The BNF notation is used to describe the syntax of a language in a concise and unambiguous way.


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