hasDigit<E> static method

Rule<String, E> hasDigit<E>({
  1. required E error,
})

Validates that the string contains at least one digit.

StringRules.hasDigit(error: 'Must contain a digit')

Implementation

static Rule<String, E> hasDigit<E>({required E error}) => PredicateRule(
      predicate: (value) => value.contains(RegExp(r'\d')),
      error: error,
    );