验证台湾同胞身份证信息

Validation.add('validate-identify', '請输入有效的身份證信息', function (value) {

    //建立字母分數陣列(A~Z)
    var city = new Array(
        1, 10, 19, 28, 37, 46, 55, 64, 39, 73, 82, 2, 11,
        20, 48, 29, 38, 47, 56, 65, 74, 83, 21, 3, 12, 30
    )
    var id = value.toUpperCase();
    // 使用「正規表達式」檢驗格式
    if (id.search(/^[A-Z](1|2)\d{8}$/i) == -1) {
        return false;
    } else {

        var id = id.split('');
        //計算總分
        var total = city[id[0].charCodeAt(0) - 65];
        for (var i = 1; i <= 8; i++) {
            total += eval(id[i]) * (9 - i);
        }
        //補上檢查碼(最後一碼)
        total += eval(id[9]);
        //檢查比對碼(餘數應為0);
        return ((total % 10 == 0));
    }
});

function checkTwID($id){

   //建立字母分數陣列

    $city = array('A'=>1,'I'=>39,'O'=>48,'B'=>10,'C'=>19,'D'=>28,

                  'E'=>37,'F'=>46,'G'=>55,'H'=>64,'J'=>73,'K'=>82,

                  'L'=>2,'M'=>11,'N'=>20,'P'=>29,'Q'=>38,'R'=>47,

                  'S'=>56,'T'=>65,'U'=>74,'V'=>83,'W'=>21,'X'=>3,

                  'Y'=>12,'Z'=>30);

//檢查身份字號

    if (!preg_match("/[A-Z][1-2]\d{8}/",$id = strtoupper($id))){

        return false;

    } else {

       //計算總分

        $total = $city[$id[0]];

        for($i=1;$i<=8;$i++){

            $total += $id[$i] * (9 - $i);

        }

       //補上檢查碼(最後一碼)

        $total += $id[9];

       //檢查比對碼(餘數應為0);

        return (($total%10 === 0 ));

    }

}