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Zod · Method

.includes

z.string().includes(text) validates that a string contains the required substring. It is a built-in string validation method.

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Syntax

z.string().includes(text)

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  • z.string()
  • z.string().startsWith()
  • z.string().endsWith()
  • z.string().regex()
  • safeParse
  • $ZodError

Source: Defining schemas | Zod. Checked 2026-11-03.