What does "regex" mean?

Clipping of regular expression.

What is a synonym for "regex"?

Common synonyms include: regexp, regular expression, regular expression.

Regex

//ˈɹɛɡˌɛks// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Clipping of regular expression. abbreviation, alt-of, clipping
"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."

Synonyms

All synonyms

regexp regular expression regular expression

Example

More examples

"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."

Related phrases

regex golf

More for "regex"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.