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  2. Lex (software) - Wikipedia

    en.wikipedia.org/wiki/Lex_(software)

    [1] [2] It is commonly used with the yacc parser generator and is the standard lexical analyzer generator on many Unix and Unix-like systems. An equivalent tool is specified as part of the POSIX standard. [3] Lex reads an input stream specifying the lexical analyzer and writes source code which implements the lexical analyzer in the C ...

  3. Lexical analysis - Wikipedia

    en.wikipedia.org/wiki/Lexical_analysis

    The specification of a programming language often includes a set of rules, the lexical grammar, which defines the lexical syntax. The lexical syntax is usually a regular language , with the grammar rules consisting of regular expressions ; they define the set of possible character sequences (lexemes) of a token.

  4. Lexicology - Wikipedia

    en.wikipedia.org/wiki/Lexicology

    Lexicology is the branch of linguistics that analyzes the lexicon of a specific language.A word is the smallest meaningful unit of a language that can stand on its own, and is made up of small components called morphemes and even smaller elements known as phonemes, or distinguishing sounds.

  5. Flex (lexical analyser generator) - Wikipedia

    en.wikipedia.org/wiki/Flex_(lexical_analyser...

    Flex (fast lexical analyzer generator) is a free and open-source software alternative to lex. [2] It is a computer program that generates lexical analyzers (also known as "scanners" or "lexers").

  6. RE/flex - Wikipedia

    en.wikipedia.org/wiki/Re/flex

    The RE/flex lexical analyzer generator accepts an extended syntax of Flex lexer specifications as input. The RE/flex specification syntax is more expressive than the traditional Flex lexer specification syntax and may include indentation anchors, word boundaries, lazy quantifiers (non-greedy, lazy repeats), and new actions such as wstr() to ...

  7. Machine-readable dictionary - Wikipedia

    en.wikipedia.org/wiki/Machine-readable_dictionary

    Machine-readable dictionary (MRD) is a dictionary stored as machine-readable data instead of being printed on paper. It is an electronic dictionary and lexical database.. A machine-readable dictionary is a dictionary in an electronic form that can be loaded in a database and can be queried via application software.

  8. Lexis (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Lexis_(linguistics)

    Grammatical: it uses rules based on sampling of the lexical corpus; Register-specific: it uses the same word differently and/or less frequently in different contexts; A major area of study, psycholinguistics and neurolinguistics, involves the question of how words are retrieved from the mental lexical corpus in online language processing and ...

  9. Lexicography - Wikipedia

    en.wikipedia.org/wiki/Lexicography

    Theoretical lexicography is the scholarly study of semantic, orthographic, syntagmatic and paradigmatic features of lexemes of the lexicon of a language, developing theories of dictionary components and structures linking the data in dictionaries, the needs for information by users in specific types of situations, and how users may best access ...