city static method

FormFieldValidator<String> city({
  1. RegExp? regex,
  2. List<String> citiesWhitelist = const <String>[],
  3. List<String> citiesBlacklist = const <String>[],
  4. String? errorText,
  5. bool checkNullOrEmpty = true,
})

FormFieldValidator that requires the field's value to be a valid city.

Parameters:

  • regex The regex pattern to match.
  • citiesWhitelist The list of allowed cities.
  • citiesBlacklist The list of disallowed cities.
  • errorText The error message when the city is invalid.
  • checkNullOrEmpty Whether to check for null or empty values.

Implementation

static FormFieldValidator<String> city({
  RegExp? regex,
  List<String> citiesWhitelist = const <String>[],
  List<String> citiesBlacklist = const <String>[],
  String? errorText,
  bool checkNullOrEmpty = true,
}) => CityValidator(
  regex: regex,
  citiesWhitelist: citiesWhitelist,
  citiesBlacklist: citiesBlacklist,
  errorText: errorText,
  checkNullOrEmpty: checkNullOrEmpty,
).validate;