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Jest · Matcher

toMatch

Jest's toMatch matcher checks whether a string matches a regular expression or contains supplied text. Add .not to require that it does not match.

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Syntax

expect(value).toMatch(regexp | string)

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  • expect
  • not
  • toBe
  • toEqual
  • toMatchObject
  • stringMatching

Source: Using Matchers · Jest. Checked 2026-11-03.