JavaScript RegEx to replace repeat characters of more than 2

Question

I have an string, like YYYY/MMM/DD and I want to convert it into YY/MM/DD formart. In short, I want to replace repeated characters more than 2.

Example 01:- YYYY/MMM/DD -> YY/MM/DD Example 02 :- MMM/YYYY/DD -> MM/YY/DD

Please help me out.

Ja͢ck · Accepted Answer · 2014-03-28 07:09:32Z

4

This should do it, using back references to find sequences of 3+ the same character and then replacing them with just two:

str.replace(/(.)\1{2,}/g, '$1$1')

answered Mar 28, 2014 at 7:09

Ja͢ck

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Comments

111 · Accepted Answer · 2014-03-28 07:07:06Z

-1

try to use this

    var date = new Date();
    var datestr = ('0' + date.getDate()).substr(-2, 2) + '/' + ('0' + date.getMonth()).substr(-2, 2) + '/' + ('0' + date.getFullYear()).substr(-2, 2);
    alert(datestr);

answered Mar 28, 2014 at 7:07

111

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1 Comment

Evan Knowles Over a year ago

This is not replacing repeated characters in a string, this is generating a date.

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