2 Input Mask plugin extensions
3 http://github.com/RobinHerbots/jquery.inputmask
4 Copyright (c) 2010 - 2014 Robin Herbots
5 Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
8 Regex extensions on the jquery.inputmask base
9 Allows for using regular expressions as a mask
12 $.extend($.inputmask.defaults.aliases, { // $(selector).inputmask("Regex", { regex: "[0-9]*"}
19 //Thx to https://github.com/slevithan/regex-colorizer for the tokenizer regex
20 tokenizer: /\[\^?]?(?:[^\\\]]+|\\[\S\s]?)*]?|\\(?:0(?:[0-3][0-7]{0,2}|[4-7][0-7]?)?|[1-9][0-9]*|x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4}|c[A-Za-z]|[\S\s]?)|\((?:\?[:=!]?)?|(?:[?*+]|\{[0-9]+(?:,[0-9]*)?\})\??|[^.?*+^${[()|\\]+|./g,
21 quantifierFilter: /[0-9]+[^,]/,
24 validator: function (chrs, buffer, pos, strict, opts) {
25 function regexToken() {
28 this.isQuantifier = false;
29 this.isLiteral = false;
31 function analyseRegex() {
32 var currentToken = new regexToken(), match, m, opengroups = [];
34 opts.regexTokens = [];
36 // The tokenizer regex does most of the tokenization grunt work
37 while (match = opts.tokenizer.exec(opts.regex)) {
39 switch (m.charAt(0)) {
40 case "[": // Character class
41 case "\\": // Escape or backreference
42 if (opengroups.length > 0) {
43 opengroups[opengroups.length - 1]["matches"].push(m);
45 currentToken.matches.push(m);
48 case "(": // Group opening
49 if (!currentToken.isGroup && currentToken.matches.length > 0)
50 opts.regexTokens.push(currentToken);
51 currentToken = new regexToken();
52 currentToken.isGroup = true;
53 opengroups.push(currentToken);
55 case ")": // Group closing
56 var groupToken = opengroups.pop();
57 if (opengroups.length > 0) {
58 opengroups[opengroups.length - 1]["matches"].push(groupToken);
60 opts.regexTokens.push(groupToken);
61 currentToken = new regexToken();
64 case "{": //Quantifier
65 var quantifier = new regexToken();
66 quantifier.isQuantifier = true;
67 quantifier.matches.push(m);
68 if (opengroups.length > 0) {
69 opengroups[opengroups.length - 1]["matches"].push(quantifier);
71 currentToken.matches.push(quantifier);
75 // Vertical bar (alternator)
78 // Literal character sequence
79 var literal = new regexToken();
80 literal.isLiteral = true;
81 literal.matches.push(m);
82 if (opengroups.length > 0) {
83 opengroups[opengroups.length - 1]["matches"].push(literal);
85 currentToken.matches.push(literal);
90 if (currentToken.matches.length > 0)
91 opts.regexTokens.push(currentToken);
93 function validateRegexToken(token, fromGroup) {
99 for (var mndx = 0; mndx < token["matches"].length; mndx++) {
100 var matchToken = token["matches"][mndx];
101 if (matchToken["isGroup"] == true) {
102 isvalid = validateRegexToken(matchToken, true);
103 } else if (matchToken["isQuantifier"] == true) {
104 matchToken = matchToken["matches"][0];
105 var quantifierMax = opts.quantifierFilter.exec(matchToken)[0].replace("}", "");
106 var testExp = regexPart + "{1," + quantifierMax + "}"; //relax quantifier validation
107 for (var j = 0; j < openGroupCount; j++) {
110 var exp = new RegExp("^(" + testExp + ")$");
111 isvalid = exp.test(bufferStr);
112 regexPart += matchToken;
113 } else if (matchToken["isLiteral"] == true) {
114 matchToken = matchToken["matches"][0];
115 var testExp = regexPart, openGroupCloser = "";
116 for (var j = 0; j < openGroupCount; j++) {
117 openGroupCloser += ")";
119 for (var k = 0; k < matchToken.length; k++) { //relax literal validation
120 testExp = (testExp + matchToken[k]).replace(/\|$/, "");
121 var exp = new RegExp("^(" + testExp + openGroupCloser + ")$");
122 isvalid = exp.test(bufferStr);
125 regexPart += matchToken;
126 //console.log(bufferStr + " " + exp + " " + isvalid);
128 regexPart += matchToken;
129 var testExp = regexPart.replace(/\|$/, "");
130 for (var j = 0; j < openGroupCount; j++) {
133 var exp = new RegExp("^(" + testExp + ")$");
134 isvalid = exp.test(bufferStr);
135 //console.log(bufferStr + " " + exp + " " + isvalid);
149 if (opts.regexTokens == null) {
153 var cbuffer = buffer.slice(), regexPart = "", isValid = false, openGroupCount = 0;
154 cbuffer.splice(pos, 0, chrs);
155 var bufferStr = cbuffer.join('');
156 for (var i = 0; i < opts.regexTokens.length; i++) {
157 var regexToken = opts.regexTokens[i];
158 isValid = validateRegexToken(regexToken, regexToken["isGroup"]);