Dart Regular Expression (Refex)

password_check.dart

/**
 * It forces strong passwords
 * @require String password
 * @return bool
 *
 * return true if password has:
 * 1 capitalized character
 * 1 special character
 * 1 number
 */
bool checkPasswordRequirements(String password) {
  String pattern = r'^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[!@#\$&*~]).{8,}$';
  RegExp regExp = new RegExp(pattern);

  return regExp.hasMatch(password);
}