1         var JVerify = {
 2             role: { number: /[0-9]/, decimal: /[0-9\.]/ },
 3             Verify: function () {
 4                 for (var prop in JVerify.role) {
 5                     $("[role^='" + prop + "']").each(function () {
 6                         var obj = $(this);
 7                         var values = obj.attr("role").split("-");
 8                         var length = 16;
 9                         if (values.length > 1) {
10                             length = values[1];
11                         }
12                         obj.attr("maxlength", length);
13                         obj.keypress(function (e) {
14                             if (!String.fromCharCode(e.keyCode).match(JVerify.role[$(this).attr("role").replace(/-\d+/, "")])) {
15                                 return false;
16                             }
17                         }).keyup(function () {
18                             var input = $(this);
19                             var text = input.val();
20                             input.val("");
21                             var content = "";
22                             var regex = JVerify.role[$(this).attr("role").replace(/-\d+/, "")];
23                             var isDot = false;
24                             for (var i = 0; i < text.length; i++) {
25                                 if (text[0] == ".") {
26                                     continue;
27                                 }
28                                 if (text[i] == ".") {
29                                     if (isDot == false) {
30                                         content += ".";
31                                         isDot = true;
32                                     }
33                                     continue;
34                                 }
35                                 if (text[i].match(regex)) {
36                                     content += text[i];
37                                 }
38                             }
39                             input.val(content);
40                         });
41                     })
42                 }
43             }
44         }

JVerify.Verify();

JVerify.role.myRegex = /[a-z]/;