Word.ws English Dictionary

regex

/ˈɹɛɡˌɛks/

regex is the clipping of regular expression.

Meaning of regular expression

Noun

regular expression (plural regular expressions)

  1. A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions.
  2. (broadly) Any pattern for text matching or searching, frequently offering more or less functionality than a theoretical regular expression.
    Synonyms:
    regex, regexp

Forms of regex

pluralregexes
alternative formregexp
alternative formRegEx

Words formed from regex

Questions about regex

What is regex the clipping of?
Regex is the clipping of regular expression.
How do you pronounce regex?
Regex is pronounced /ˈɹɛɡˌɛks/.

Words near regex in the dictionary

  1. regesting
  2. regests
  3. reget
  4. regets
  5. regetting
  6. regex
  7. regex golf
  8. regexen
  9. regexer
  10. regexers
  11. regexes

Source and license

Adapted from Wiktionary: regex (page history and authors); regular expression (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-regex.oga, en-uk-regex.ogg.

Cite this entry: “regex.” Word.ws, https://word.ws/regex. Based on Wiktionary, CC BY-SA 4.0.