regular language

noun

A formal language that can be expressed using a regular expression or finite-state machine.

Similar
rational language

Meanings

nounregular language (plural regular languages)

plural regular languages

  1. computerA formal language that can be expressed using a regular expression or finite-state machine.

    There is an interesting way to get the negation (complement) of a regular language L defined by a FS automaton, provided the automaton is ε-free.

    2007, Dick Grune, Ceriel J.H. Jacobs, Parsing Techniques: A Practical Guide, Springer Science & Business Media, →ISBN, page 152
    1 more example

    A regular language is one that can be generated by a regular grammar or finite-state automaton, the lowest level of the Chomsky hierarchy. It is well known that these grammars are inadequate to represent natural language syntax.

    2014, Brian MacWhinney, William O'Grady, The Handbook of Language Emergence, John Wiley & Sons, →ISBN, page 393

    Synonyms: rational language

Synonyms & antonyms

nounA formal language that can be expressed using a regular expression or finite-state machine.

Similar
rational language
Cite this entry
APA

regular language. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/regular%20language

MLA

“regular language.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/regular%20language. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “regular language,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/regular%20language.

Source: regular language on Wiktionary, CC BY-SA 4.0.