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- Lexical_grammar abstract "In computer science, a lexical grammar is a formal grammar defining the syntax of tokens. That is, the rules governing how a character sequence is divided up into subsequences of characters, each part of which represents an individual token. This is frequently defined in terms of regular expressions.For instance, the lexical grammar for many programming languages specifies that a string literal starts with a " character and continues until a matching " is found (escaping makes this more complicated), that an identifier is an alphanumeric sequence (letters and digits, usually also allowing underscores, and disallowing initial digits), and that an integer literal is a sequence of digits. So in the following character sequence "abc" xyz1 23 the tokens are string, identifier and number (plus whitespace tokens) because the space character terminates the sequence of characters forming the identifier. Further, certain sequences are categorized as keywords – these generally have the same form as identifiers (usually alphabetical words), but are categorized separately; formally they have a different token type.".
- Lexical_grammar wikiPageExternalLink ANSI-C-grammar-l.html.
- Lexical_grammar wikiPageID "7949557".
- Lexical_grammar wikiPageRevisionID "587801118".
- Lexical_grammar hasPhotoCollection Lexical_grammar.
- Lexical_grammar subject Category:Formal_languages.
- Lexical_grammar subject Category:Parsing.
- Lexical_grammar type Abstraction100002137.
- Lexical_grammar type Communication100033020.
- Lexical_grammar type FormalLanguages.
- Lexical_grammar type Language106282651.
- Lexical_grammar comment "In computer science, a lexical grammar is a formal grammar defining the syntax of tokens. That is, the rules governing how a character sequence is divided up into subsequences of characters, each part of which represents an individual token.".
- Lexical_grammar label "Lexical grammar".
- Lexical_grammar sameAs m.026l3_r.
- Lexical_grammar sameAs Q6537698.
- Lexical_grammar sameAs Q6537698.
- Lexical_grammar sameAs Lexical_grammar.
- Lexical_grammar wasDerivedFrom Lexical_grammar?oldid=587801118.
- Lexical_grammar isPrimaryTopicOf Lexical_grammar.