onlyNumbers property

String onlyNumbers

Returns only the numbers from the String.

Example

String foo = '4*%^55/es4e5523nt1is';
String onyNumbers = foo.onlyNumbers; // returns '455455231'

Implementation

String get onlyNumbers {
  if (this.isBlank) {
    return this;
  }
  // ignore: unnecessary_raw_strings
  var regex = RegExp(r'([^0-9]+)');
  return this.replaceAll(regex, '');
}