regex

R1E1G2E1X8
/ˈɹɛɡˌɛks//ˈɹɛd͡ʒˌɛks/

A form of regular expression — A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions.

Less commonScrabble 13
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Meanings

nounregex (plural regexes)

plural regexes · alternative regexp · alternative RegEx

  1. abbreviationclippingcomputingClipping of regular expression.

    To continue the history course from the previous section, Perl was one of the first general-purpose programming languages to bake regexes into its core functionality.

    2017, Moritz Lenz, Parsing with Perl 6 Regexes and Grammars, Apress, →ISBN, page 5

Synonyms & antonyms

Also see
regular expression
Cite this entry
APA

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

MLA

“regex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/regex. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “regex,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/regex.

Source: regex on Wiktionary, CC BY-SA 4.0.