//If there is any character other than these listed above then display invalid number
bool resultMatch = checkPhoneNumber.Match(phoneNumber,false);
//return false for patterns other than 0-9 * # P ; , +
//If there is any character other than these listed above then display invalid number
bool resultMatch = checkPhoneNumber.Match(phoneNumber,false);
//return false for patterns other than 0-9 * # P ; , +