digitsBetween method

num digitsBetween(num start, num end)

Get the digits between start and end in the number Returns the digits between start and end in the number

Implementation

num digitsBetween(num start, num end) {
  var startIndex = toString().indexOf(start.toString());
  if (startIndex == -1) return 0;
  var endIndex = toString().indexOf(end.toString(), startIndex + 1);
  if (endIndex == -1) return 0;
  var result = toString().substring(startIndex + 1, endIndex);
  return int.parse(result);
}