contains static method

FormFieldValidator<String> contains(
  1. String substring, {
  2. bool caseSensitive = true,
  3. String? errorText,
  4. bool checkNullOrEmpty = true,
})

FormFieldValidator that requires the field's value to contain a specific value.

Parameters:

  • substring The value that the field's value should contain.
  • caseSensitive Whether the search is case-sensitive (default: true).
  • errorText The error message when the value does not contain the substring.
  • checkNullOrEmpty Whether to check for null or empty values.

Implementation

static FormFieldValidator<String> contains(
  String substring, {
  bool caseSensitive = true,
  String? errorText,
  bool checkNullOrEmpty = true,
}) => ContainsValidator(
  substring,
  caseSensitive: caseSensitive,
  errorText: errorText,
  checkNullOrEmpty: checkNullOrEmpty,
).validate;