How to validate date in yyyy-mm-dd format using javascript

Question

How to validate date in yyyy-mm-dd format using javascript. so far i have come up with this code.

<script>  
  function checkdate(form)  
  {  
   var a = document.forms["form"]["stdt"].value; 


    Check = /^([0-9]{2})-([0-9]{2})-([0-9]{4})$/; 
    if(!a.match(Check)) {  
     alert("Error: Date format: ##-##-#### ");  
     return false;  
    }  

   }   
</script>

and HTML code

<form id="myform" onsubmit="return checkdate(this);"  method="post" action="">

The above will return true for 11-55-1999

So title says YYYY-MM-DD and your question says MM-DD-YYYY. So what is it? — epascarello
– epascarello, Commented Aug 24, 2016 at 12:42
Check = /^([0-9]{4})-([0-9]{2})-([0-9]{2})$/; if(!a.match(Check)) { alert("Error: Date format: ####-##-## "); i tried this also but the result is same — Faizan Fayaz
– Faizan Fayaz, Commented Aug 24, 2016 at 12:43
Regular expression for date checking is not the best bet. leap years, does the month have 31 days, etc. — epascarello
– epascarello, Commented Aug 24, 2016 at 12:44
^\d{4}\-(0?[1-9]|1[012])\-(0?[1-9]|[12][0-9]|3[01])$ try this regex — Bibek Aryal
– Bibek Aryal, Commented Aug 24, 2016 at 12:44

Irrech · Accepted Answer · 2016-08-24 12:47:04Z

1

I use moment, read the docs here http://momentjs.com/

It is simple to use, you have a value

var dateExample = '2016-08-23T16:09:11.690Z';
var DATE_FORMAT = 'YYYY/MM/DD';    
moment(dateExample).format(DATE_FORMAT)

answered Aug 24, 2016 at 12:47

Irrech

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Comments

Rohan H · Accepted Answer · 2016-08-24 12:44:45Z

0

You can use Jquery vaidation for that as below

$('#frm').validate({
      rules: {
           date_creation: {
               required: true,
               date: true
           }
      }
   });

answered Aug 24, 2016 at 12:44

Rohan H

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