EasyValidator.contains constructor

const EasyValidator.contains(
  1. String contains, {
  2. bool caseSensitive,
  3. String? errorMessage,
})

A factory constructor for creating a ContainsValidator. The contains parameter specifies the string that the value being validated should contain. The errorMessage parameter is an optional error message to be displayed if the validation fails. Example usage:

final validator = EasyValidator.contains('Hello','Value must contain Hello');
String? result = validator.validate("test");
print(result); // 'Value must contain Hello'

Implementation

const factory EasyValidator.contains(
  String contains, {
  bool caseSensitive,
  String? errorMessage,
}) = ContainsValidator;