firstName static method

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

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

Parameters:

  • regex The regex pattern to match.
  • firstNameWhitelist The list of allowed first names.
  • firstNameBlacklist The list of disallowed first names.
  • errorText The error message when the first name is invalid.
  • checkNullOrEmpty Whether to check for null or empty values.

Implementation

static FormFieldValidator<String> firstName({
  RegExp? regex,
  List<String> firstNameWhitelist = const <String>[],
  List<String> firstNameBlacklist = const <String>[],
  String? errorText,
  bool checkNullOrEmpty = true,
}) => FirstNameValidator(
  regex: regex,
  firstNameWhitelist: firstNameWhitelist,
  firstNameBlacklist: firstNameBlacklist,
  errorText: errorText,
  checkNullOrEmpty: checkNullOrEmpty,
).validate;