= Parsing expression grammar
{wiki=Parsing_expression_grammar}
Parsing Expression Grammar (PEG) is a formal grammar framework used to describe the syntax of languages, particularly programming languages and data formats. Unlike traditional context-free grammars (CFGs), which use production rules and can produce ambiguities, PEGs are designed to avoid such ambiguities by using a more structured approach. \#\#\# Key Features of PEG: 1. **Parsing Expressions**: PEGs define parsing rules as expressions, which can include sequences, choices, and repetitions.
Back to article page
