以下为相关用法：
/**
* 正整数，0
* @param num
* @returns
*/
function checkNum(num){
var regExpCheck = new RegExp("^[1-9]\\d*|0$");
return regExpCheck.test(num);
}
/**
* 电话号码
* @param phone
* @returns
*/
function checkPhone(phone){
var regExpCheck = new RegExp("^(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$");
return regExpCheck.test(phone);
}
/**
* 整数，float
* @param money
* @returns
*/
function checkMoney(money){
var regExpCheck = new RegExp("^[1-9]\\d*\\.\\d*|0\\.\\d*|[1-9]\\d*$");
return regExpCheck.test(money);
}
/**
* 格式化银行卡号
* 4555 6888 5999 4777 888
* @param BankNo
*/
function formatBankNo (BankNo){
if (BankNo.value == "") {
return;
}
var account = new String (BankNo.value);
account = account.substring(0,23); /*帐号的总数, 包括空格在内 */
/* alert("init:"+account) */
/* 对照格式 */
if (account.match ("[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{3}") ==null){
/* alert("match:"+account.match ("[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{3}")); */
var accountNumeric = "";
var accountChar = "";
var i;
for (i=0;i<account.length;i++){
accountChar = account.substr (i,1);
if (!isNaN (accountChar) && (accountChar != " ")) {
accountNumeric = accountNumeric + accountChar;
}
}
account = "";
for (i=0;i<accountNumeric.length;i++){ /* 可将以下空格改为-,效果也不错 */
if (i == 4) account = account + " "; /* 帐号第四位数后加空格 */
if (i == 8) account = account + " "; /* 帐号第八位数后加空格 */
if (i == 12) account = account + " ";/* 帐号第十二位后数后加空格 */
if (i == 16) account = account + " ";/* 帐号第十六位后数后加空格 */
account = account + accountNumeric.substr (i,1);
}
/* alert("end:"+account) */
}
else
{
account = account.substring (1,5) + "-" + account.substring (6,10) + "-" + account.substring (14,18) + "-" + account.substring(18,22)+ "-" + account.substring(22,25);
/* alert("else:"+account) */
}
if (account != BankNo.value) {
BankNo.value = account;
}
}
银行卡号格式化用法：
<input type="text" id="accountNum" name="accountNum" maxlength="24" style="width:200px" onkeyup="formatBankNo(this)" onkeydown="formatBankNo(this)" placeholder="账号不能为空" vld="{number:true,required:true}"/>