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Checks that the value matches a regular expression.

Error codes: WRONG_FORMAT, FORMAT_ERROR

Live example · edit rules or inputOpen in playground

rules

{
    zip: { like: '^\\d{5}$' }
}

{
    zip: { like: '^\\d{5}$' }
}

input

{
    zip: '1234'
}

{
    zip: '1234'
}

Invaliderrors

{
  "zip": "WRONG_FORMAT"
}

Pass flags as the second element of a list:

{ first_name: { like: ['^\\w+?$', 'i'] } }

Only the i flag is currently required by the specification.

Experimental

Regular expression syntax differs between languages. Use the most common syntax. This rule is experimental, as it needs stricter semantics.

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