contains

Checks that the value contains at least one of the given strings.

Error codes: WRONG_FORMAT, FORMAT_ERROR

Live example · edit rules or inputOpen in playground

rules

{
    comment: { contains: '@' }
}

{ comment: { contains: '@' } }

input

{
    comment: 'no mention here'
}

{ comment: 'no mention here' }

Invaliderrors

{
  "comment": "WRONG_FORMAT"
}

The arguments are one or more non-empty strings. The comparison is exact and case-sensitive; there is no normalization. The string form of the value is checked and returned.

{ comment: { contains: '@' } }

See also starts_with and ends_with.