JSON date parser

dateParserJSON.js

function dateParser(key, value) {
    if (typeof value === 'string') {
        var matched = /^\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z)$/.exec(value);

        if (matched) {
            return new Date(value);
        }

        if (!JSON.parseMsAjaxDate) {
            return value;
        }

        matched = /^\/Date\((d|-|.*)\)[\/|\\]$/.exec(value);
        if (matched) {
            var msMatched = matched[1].split(/[-+,.]/);
            return new Date(msMatched[0] ? +msMatched[0] : 0 - +msMatched[1]);
        }
    }

    return value;
};