Regular grammar
Type of formal grammar / From Wikipedia, the free encyclopedia
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In theoretical computer science and formal language theory, a regular grammar is a grammar that is right-regular or left-regular. While their exact definition varies from textbook to textbook, they all require that
- all production rules have at most one non-terminal symbol;
- that symbol is either always at the end or always at the start of the rule's right-hand side.
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Every regular grammar describes a regular language.