js正则验证表达式

//上传文件大小验证

  $.fn.checkFileTypeAndSize = function (options) {

         //默认设置
         var defaults = {
             allowedExtensions: [],
             maxSize: 1024, //单位是KB，默认最大文件尺寸1MB=1024KB
             success: function () { },
             extensionerror: function () { },
             sizeerror: function () { }
         };
         //合并设置
         options = $.extend(defaults, options);
         //遍历元素
         return this.each(function () {
             $(this).on('change', function () {
                 //获取文件路径
                 var filePath = $(this).val();
                 //小写字母的文件路径
                 var fileLowerPath = filePath.toLowerCase();
                 //获取文件的后缀名
                 var extension = fileLowerPath.substring(fileLowerPath.lastIndexOf('.') + 1);
                 //判断后缀名是否包含在预先设置的、所允许的后缀名数组中
                 if ($.inArray(extension, options.allowedExtensions) == -1) {
                     options.extensionerror();
                     $(this).focus();
                 } else {
                     try {
                         var size = 0;
                         size = $(this)[0].files[0].size;//byte
                         size = size / 1024;//kb
 //                            size = size / 1024;//mb
                         if (size > options.maxSize) {
                             options.sizeerror();
                         } else {
                             options.success();
                         }
                     } catch (e) {
                         alert("错误：" + e);
                     }
                 }
             });
         });
     };

  // （查看/修改）图片格式和大小校验
     $('#file').checkFileTypeAndSize({//获取<input type="file" id="file">
         allowedExtensions: ['bmp','png','gif','jpeg','jpg'],
         maxSize: 500,
         success: function() {
             previewFile();
         },
         extensionerror: function() {
             $.messager.alert('警告','图片文件格式限于bmp,png,gif,jpeg,jpg');
             return;
         },
         sizeerror: function() {
             $.messager.alert('警告','最大尺寸500kb');
             return;
         }
     });

     $.extend($.fn.validatebox.defaults.rules, {

         age: {// 验证年龄
             validator: function (value) {
                 return /^(?:[1-9][0-9]?|1[01][0-9]|120)$/i.test(value);
             },
             message: '年龄必须是0到120之间的整数'
         },
         qq: {// 验证QQ,从10000开始
             validator: function (value) {
                 return /^[1-9]\d{4,9}$/i.test(value);
             },
             message: 'QQ号码格式不正确'
         },

         email: {
             validator: function (value) {
                 return /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/.test(value);
             },
             message: '请输入有效的电子邮件账号(例：abc@126.com)'
         },

         integer: {// 验证整数
             validator: function (value) {
                 return /^(?:[1-9][0-9]?|1[01][0-9]|100)$/i.test(value);
             },
             message: '请输入0-100的整数'
         },

  mobile: {// 验证手机号码
             validator: function (value) {
                 return /^(13|15|18)\d{9}$/i.test(value);
             },
             message: '手机号码格式不正确'
         },
         bankcard: {// 银行卡验证
             validator: function (value) {
                 var f = luhmCheck(value);
                 return f == true ? true : false;
             },
             message: '银行卡卡号格式不正确'
         }
     });

     var aCity = {
         11: "北京",
         12: "天津",
         13: "河北",
         14: "山西",
         15: "内蒙古",
         21: "辽宁",
         22: "吉林",
         23: "黑龙江",
         31: "上海",
         32: "江苏",
         33: "浙江",
         34: "安徽",
         35: "福建",
         36: "江西",
         37: "山东",
         41: "河南",
         42: "湖北",
         43: "湖南",
         44: "广东",
         45: "广西",
         46: "海南",
         50: "重庆",
         51: "四川",
         52: "贵州",
         53: "云南",
         54: "西藏",
         61: "陕西",
         62: "甘肃",
         63: "青海",
         64: "宁夏",
         65: "新疆",
         71: "台湾",
         81: "香港",
         82: "澳门",
         91: "国外"
     }
     function isCardID(sId) {
         var iSum = 0;
         var info = "";
         if (!/^\d{17}(\d|x)$/i.test(sId)) return "你输入的身份证长度或格式错误";
         sId = sId.replace(/x$/i, "a");
         if (aCity[parseInt(sId.substr(0, 2))] == null) return "你的身份证地区非法";
         sBirthday = sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2));
         var d = new Date(sBirthday.replace(/-/g, "/"));
         if (sBirthday != (d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate()))return "身份证上的出生日期非法";
         for (var i = 17; i >= 0; i--) iSum += (Math.pow(2, i) % 11) * parseInt(sId.charAt(17 - i), 11);
         if (iSum % 11 != 1) return "你输入的身份证号非法";
         return true;//aCity[parseInt(sId.substr(0,2))]+","+sBirthday+","+(sId.substr(16,1)%2?"男":"女")
     }

 //银行卡验证
     function luhmCheck(bankno) {
         var lastNum = bankno.substr(bankno.length - 1, 1);//取出最后一位（与luhm进行比较）
         var first15Num = bankno.substr(0, bankno.length - 1);//前15或18位
         var newArr = new Array();
         for (var i = first15Num.length - 1; i > -1; i--) {//前15或18位倒序存进数组
             newArr.push(first15Num.substr(i, 1));
         }
         var arrJiShu = new Array();  //奇数位*2的积 <9
         var arrJiShu2 = new Array(); //奇数位*2的积 >9
         var arrOuShu = new Array();  //偶数位数组
         for (var j = 0; j < newArr.length; j++) {
             if ((j + 1) % 2 == 1) {//奇数位
                 if (parseInt(newArr[j]) * 2 < 9)
                     arrJiShu.push(parseInt(newArr[j]) * 2);
                 else
                     arrJiShu2.push(parseInt(newArr[j]) * 2);
             }
             else //偶数位
                 arrOuShu.push(newArr[j]);
         }
         var jishu_child1 = new Array();//奇数位*2 >9 的分割之后的数组个位数
         var jishu_child2 = new Array();//奇数位*2 >9 的分割之后的数组十位数
         for (var h = 0; h < arrJiShu2.length; h++) {
             jishu_child1.push(parseInt(arrJiShu2[h]) % 10);
             jishu_child2.push(parseInt(arrJiShu2[h]) / 10);
         }
         var sumJiShu = 0; //奇数位*2 < 9 的数组之和
         var sumOuShu = 0; //偶数位数组之和
         var sumJiShuChild1 = 0; //奇数位*2 >9 的分割之后的数组个位数之和
         var sumJiShuChild2 = 0; //奇数位*2 >9 的分割之后的数组十位数之和
         var sumTotal = 0;
         for (var m = 0; m < arrJiShu.length; m++) {
             sumJiShu = sumJiShu + parseInt(arrJiShu[m]);
         }
         for (var n = 0; n < arrOuShu.length; n++) {
             sumOuShu = sumOuShu + parseInt(arrOuShu[n]);
         }
         for (var p = 0; p < jishu_child1.length; p++) {
             sumJiShuChild1 = sumJiShuChild1 + parseInt(jishu_child1[p]);
             sumJiShuChild2 = sumJiShuChild2 + parseInt(jishu_child2[p]);
         }
         //计算总和
         sumTotal = parseInt(sumJiShu) + parseInt(sumOuShu) + parseInt(sumJiShuChild1) + parseInt(sumJiShuChild2);
         //计算Luhm值
         var k = parseInt(sumTotal) % 10 == 0 ? 10 : parseInt(sumTotal) % 10;
         var luhm = 10 - k;
         var my = false;
         if (lastNum == luhm) {//Luhm验证通过
             my = true;
         }
         else {//银行卡号必须符合Luhm校验
             my = false;
         }
         return my;
     }