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✎ Editing: jquery.inputmask.regex.extensions.js ← Back

/*
Input Mask plugin extensions
http://github.com/RobinHerbots/jquery.inputmask
Copyright (c) 2010 - 2014 Robin Herbots
Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
Version: 0.0.0

Regex extensions on the jquery.inputmask base
Allows for using regular expressions as a mask
*/
(function ($) {
    $.extend($.inputmask.defaults.aliases, { // $(selector).inputmask("Regex", { regex: "[0-9]*"}
        'Regex': {
            mask: "r",
            greedy: false,
            repeat: "*",
            regex: null,
            regexTokens: null,
            //Thx to https://github.com/slevithan/regex-colorizer for the tokenizer regex
            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,
            quantifierFilter: /[0-9]+[^,]/,
            definitions: {
                'r': {
                    validator: function (chrs, buffer, pos, strict, opts) {
                        function regexToken() {
                            this.matches = [];
                            this.isGroup = false;
                            this.isQuantifier = false;
                            this.isLiteral = false;
                        }
                        function analyseRegex() {
                            var currentToken = new regexToken(), match, m, opengroups = [];

opts.regexTokens = [];

// The tokenizer regex does most of the tokenization grunt work
                            while (match = opts.tokenizer.exec(opts.regex)) {
                                m = match[0];
                                switch (m.charAt(0)) {
                                    case "[": // Character class
                                    case "\\":  // Escape or backreference
                                        if (opengroups.length > 0) {
                                            opengroups[opengroups.length - 1]["matches"].push(m);
                                        } else {
                                            currentToken.matches.push(m);
                                        }
                                        break;
                                    case "(": // Group opening
                                        if (!currentToken.isGroup && currentToken.matches.length > 0)
                                            opts.regexTokens.push(currentToken);
                                        currentToken = new regexToken();
                                        currentToken.isGroup = true;
                                        opengroups.push(currentToken);
                                        break;
                                    case ")": // Group closing
                                        var groupToken = opengroups.pop();
                                        if (opengroups.length > 0) {
                                            opengroups[opengroups.length - 1]["matches"].push(groupToken);
                                        } else {
                                            opts.regexTokens.push(groupToken);
                                            currentToken = new regexToken();
                                        }
                                        break;
                                    case "{": //Quantifier
                                        var quantifier = new regexToken();
                                        quantifier.isQuantifier = true;
                                        quantifier.matches.push(m);
                                        if (opengroups.length > 0) {
                                            opengroups[opengroups.length - 1]["matches"].push(quantifier);
                                        } else {
                                            currentToken.matches.push(quantifier);
                                        }
                                        break;
                                    default:
                                        // Vertical bar (alternator) 
                                        // ^ or $ anchor
                                        // Dot (.)
                                        // Literal character sequence
                                        var literal = new regexToken();
                                        literal.isLiteral = true;
                                        literal.matches.push(m);
                                        if (opengroups.length > 0) {
                                            opengroups[opengroups.length - 1]["matches"].push(literal);
                                        } else {
                                            currentToken.matches.push(literal);
                                        }
                                }
                            }

if (currentToken.matches.length > 0)
                                opts.regexTokens.push(currentToken);
                        };

if (fromGroup) {
                                regexPart += ")";
                                openGroupCount--;
                            }

return isvalid;
                        }

if (opts.regexTokens == null) {
                            analyseRegex();
                        }

var cbuffer = buffer.slice(), regexPart = "", isValid = false, openGroupCount = 0;
                        cbuffer.splice(pos, 0, chrs);
                        var bufferStr = cbuffer.join('');
                        for (var i = 0; i < opts.regexTokens.length; i++) {
                            var regexToken = opts.regexTokens[i];
                            isValid = validateRegexToken(regexToken, regexToken["isGroup"]);
                            if (isValid) break;
                        }

return isValid;
                    },
                    cardinality: 1
                }
            }
        }
    });
})(jQuery);

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