private bool CheckPhoneIsAble(string input)
{
if(input.Length<11)
{
return false;
}
//電信手機號碼正則
string dianxin = @"^1[3578][01379]\d{8}$";
Regex regexDX = new Regex(dianxin);
//聯通手機號碼正則
string liantong = @"^1[34578][01256]\d{8}";
Regex regexLT = new Regex(dianxin);
//移動手機號碼正則
string yidong = @"^(1[012345678]\d{8}|1[345678][012356789]\d{8})$";
Regex regexYD = new Regex(dianxin);
if (regexDX.IsMatch(input) || regexLT.IsMatch(input) || regexYD.IsMatch(input))
{
return true;
}
else{
return false;
}
}