parse date in javascript - date format is variable

Question

I need to parse a date format in javascript, however the date format is variable.

I have the dateformat in a variable:

function getLocaleDateString(locale) {

var formats = {
    "ar-SA": "dd/MM/yy",
    "bg-BG": "dd.M.yyyy",
    "ca-ES": "dd/MM/yyyy",
    "zh-TW": "yyyy/M/d",
     ....
return formats[locale]
}

var dateformat = getLocaleDateString(locale);

so for example I may have a date string dd/mm/yyyy 30/01/2015 or it may be mm/dd/yyyy 01/30/2015

I need to parse this to a date object in javascript.. But as I'm unsure of the format, I don't know how I can parse it..

stackoverflow.com/questions/2587345/javascript-date-parse/… — Systematix Infotech
– Systematix Infotech, Commented Apr 8, 2014 at 4:08
Ive seen that, but its no good because it requires u programming in the date format... for example Date.parse("1/1/1970") will only work for mm/dd/yyyy and the other one requies u knowing the date format while programming — Michael
– Michael, Commented Apr 8, 2014 at 4:10
Regardless of how you intend to parse the string, you must know the format and tell the parser as it is impossible to reliably determine the format from a string unless it is one of the unambiguos formats (e.g. ISO 8601). — RobG
– RobG, Commented Apr 8, 2014 at 4:11
30/01/2015 and 01/30/2015 this can be easily detected and can be parsed.. What about dates like 03/01/2015 and 01/03/2015? Do you think it is easy to detect without knowing the date format? — Praveen
– Praveen, Commented Apr 8, 2014 at 4:12

yed · Accepted Answer · 2014-04-08 05:03:11Z

0

If you don't want to write it by hand you'll need a library. moment.js is a good choice.

answered Apr 8, 2014 at 5:03

yed

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RobG · Accepted Answer · 2014-04-08 05:02:33Z

-1

Given I will have the dateforamt in a string ie "dd-mm-yyyy" you can easily parse the string using a function like:

function parseString(s) {
  s = s.split(/\D+/);
  return new Date(s[2], --s[1], s[0],0,0,0,0);
}

console.log(parseString('04-03-2014')); // Tuesday, 4 March 2014

answered Apr 8, 2014 at 5:02

RobG

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1 Comment

RobG Over a year ago

Another down–voter without the courage to explain their convictions. Perhaps they were annoyed over a comment or other answer and, unable to defend their position, vent their spleen by randomly down–voting an unrelated answer. Or maybe they have a valid point, I'll never know. I'm baffled as to why "use library X" is a better answer (or at least, less deserving of a down vote), perhaps the downovter thinks all questions should be answered like that. I agree that that isn't defendable, hence no comment.

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