base64 static method

FormFieldValidator<String> base64({
  1. String? errorText,
  2. bool checkNullOrEmpty = true,
})

FormFieldValidator that requires the field's value to be a valid base64 string.

Parameters:

  • errorText The error message when the base64 string is invalid.
  • checkNullOrEmpty Whether to check for null or empty values.

Implementation

static FormFieldValidator<String> base64({
  String? errorText,
  bool checkNullOrEmpty = true,
}) => Base64Validator(
  errorText: errorText,
  checkNullOrEmpty: checkNullOrEmpty,
).validate;