parseGroup function

String parseGroup(
  1. String phone
)

parseGroup will try to convert group number in required format

Implementation

String parseGroup(String phone) {
  String groupSuffix = "@g.us";
  String phoneNum = phone.replaceAll("+", "");
  if (!phone.contains(".us")) {
    phoneNum = "$phoneNum$groupSuffix";
  }
  return phoneNum;
}