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- Lexical_grammar abstract "In computer science, a lexical grammar is a formal grammar defining the syntax of tokens. The program is written using characters that are defined by the lexical structure of the language used. The character set is equivalent to the alphabet used by any written language. The lexical grammar lays down 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 wikiPageLength "2775".
- Lexical_grammar wikiPageOutDegree "14".
- Lexical_grammar wikiPageRevisionID "674698484".
- Lexical_grammar wikiPageWikiLink Alphanumeric.
- Lexical_grammar wikiPageWikiLink Category:Formal_languages.
- Lexical_grammar wikiPageWikiLink Category:Parsing.
- Lexical_grammar wikiPageWikiLink Computer_science.
- Lexical_grammar wikiPageWikiLink Formal_grammar.
- Lexical_grammar wikiPageWikiLink Identifier.
- Lexical_grammar wikiPageWikiLink Integer_literal.
- Lexical_grammar wikiPageWikiLink Keyword_(computer_programming).
- Lexical_grammar wikiPageWikiLink Lexical_analysis.
- Lexical_grammar wikiPageWikiLink Programming_language.
- Lexical_grammar wikiPageWikiLink Regular_expression.
- Lexical_grammar wikiPageWikiLink Reserved_word.
- Lexical_grammar wikiPageWikiLink String_literal.
- Lexical_grammar wikiPageWikiLink Syntax_(programming_languages).
- Lexical_grammar wikiPageWikiLink Token_(parser).
- Lexical_grammar wikiPageWikiLinkText "Lexical grammar".
- Lexical_grammar wikiPageWikiLinkText "lexical grammar".
- Lexical_grammar wikiPageWikiLinkText "lexical syntax".
- Lexical_grammar hasPhotoCollection Lexical_grammar.
- Lexical_grammar wikiPageUsesTemplate Template:Refbegin.
- Lexical_grammar wikiPageUsesTemplate Template:Refend.
- Lexical_grammar wikiPageUsesTemplate Template:Reflist.
- Lexical_grammar subject Category:Formal_languages.
- Lexical_grammar subject Category:Parsing.
- Lexical_grammar hypernym Grammar.
- Lexical_grammar type Article.
- Lexical_grammar type Book.
- Lexical_grammar type Language.
- Lexical_grammar type Article.
- Lexical_grammar type Combinatoric.
- Lexical_grammar type Language.
- Lexical_grammar comment "In computer science, a lexical grammar is a formal grammar defining the syntax of tokens. The program is written using characters that are defined by the lexical structure of the language used. The character set is equivalent to the alphabet used by any written language. The lexical grammar lays down 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 wasDerivedFrom Lexical_grammar?oldid=674698484.
- Lexical_grammar isPrimaryTopicOf Lexical_grammar.