public static string IsValidPhone(string phone)
{
if (string.IsNullOrWhiteSpace(phone))
{
return(null);
}
if (phone[0] != '+')
{
return(null);
}
try
{
PhoneNumber number = PhoneNumberUtil.GetInstance().Parse(phone, "US");
return(PhoneNumberUtil.GetInstance().Format(number, PhoneNumberFormat.INTERNATIONAL));
}
catch (Exception ex)
{
Insight.Track("IsValidPhone try-catch");
Insight.Track(ex.ToString());
return(null);
}
}
