isDate function

IValidator isDate()

Checks whether the given value is a valid DateTime formatted String

Implementation

IValidator isDate() => validator(
      (value) => DateTime.tryParse(value) != null,
      (value) => Expectation(
          message: 'a valid DateTime formatted String', value: value, code: 'value.format_invalid', data: {'format': 'date_time'}),
    );