datetime method

StringValidator datetime({
  1. String message = "Invalid datetime",
})

Ensures the string is a valid datetime (YYYY-MM-DD HH:mm:ss).

Implementation

StringValidator datetime({String message = "Invalid datetime"}) {
  return regex(RegExp(r'^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$'),
      message: message);
}