正则表达式

//验证是否为车牌号
function isCarnum(carnb) {
    var bValinum = RegExp(/^[a-zA-Z]{1}[a-zA-Z_0-9]{5}$/).test(carnb);
    if (bValinum) {
        return true
    } else {
        return false
    }
}

//验证姓名
function isName(carname) {
    var bValiName = RegExp(/^[\u4e00-\u9fa5]{2,15}$/).test(carname);
    if (bValiName) {
        return true
    } else {
        return false
    }
}

//验证电话号码
function isPhone(cartel) {

    var bValiPhone = RegExp(/^1[3|4|5|7|8][0-9]{9}$/).test(cartel);
    if (bValiPhone) {
        return true;

    }
    else{
        return false;
    }
}

//非负数
function isZnum(number) {

    var bValiZnum = RegExp(/^[+]{0,1}(\d+)$|^[+]{0,1}(\d+\.\d+)$/).test(number);
    if (bValiZnum) {
        return true;

    }
    else{
        return false;
    }
}
//正整数
function isZnumber(number) {

    var bValiZnumber = RegExp(/^[0-9]*[1-9][0-9]*$/).test(number);
    if (bValiZnumber) {
        return true;

    }
    else{
        return false;
    }
}

 var img1 = $("#preview").attr("src");
 var img2 = $("#preview1").attr("src");
 var img3 = $("#preview2").attr("src");
 var img4 = $("#preview3").attr("src");
 var img5 = $("#preview4").attr("src");
 var img6 = $("#preview5").attr("src");

/* $("input[type=file]").mousedown(
     function () {
         img1=$("#preview").attr("src");
         img2 = $("#preview1").attr("src");
         img3 = $("#preview2").attr("src");
         img4 = $("#preview3").attr("src");
         img5 = $("#preview4").attr("src");
         img6 = $("#preview5").attr("src");

     })*/
 $("#preview").load(function(){
     img1=$("#preview").attr("src");
     console.log(img1)
 });

if (cartel == "" || cartel == null) {
    $(".layerbigb .titlemsg").text("联系电话不能为空");
    $(".layerbigb").css("display", "block");
    return false
}
if (cartel !== "" || cartel !== null) {

    if (!isPhone(cartel)) {
        $(".layerbigb .titlemsg").text("请输入正确的电话号码");
        $(".layerbigb").css("display", "block");
        return false
    }

}

//正则匹配中文名
var pattern_name = /^[\u4E00-\u9FA5]{1,5}$/;
if(!pattern_name.test(driver_user_name)){
    $(".layerbigb .titlemsg").text("姓名输入有误");
    $(".layerbigb").css("display", "block");
    return false
}

//正则匹配身份证号
var pattern_id = /\d{17}[\d|x]|\d{15}/;
if(!pattern_id.test(idcard_no)){
    $(".layerbigb .titlemsg").text("身份证号输入有误");
    $(".layerbigb").css("display", "block");
    return false
}