how can to write regular expression in javascript using match to split string to fixed legth array

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Can any one help me to create regular expression using match function split based on ":" string to fixed length array of 9. values has to be filled from end. if the string contains 2 or 3 remaining has to be filled as blank.
some thing like following:
var matchedString = new RegExp(^(?:\xAB([^\xAB\xBB:={}]+)\xBB)?([#|+|-|~])?([/])?([^\xAB\xBB:={}]+)?(?:: ([^\xAB\xBB:={}]+))$);
var arr = matchedString.exec(1dsds:2dsds)

Posted 9-Mar-15 20:17pm

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Kornfeld Eliyahu Peter · Answer 1 · 2015-03-09T20:55:00

You made it extremely complicated...
First of all - there is no such thing in JavaScript s fixed size array. What you can do in the context of splitting is not to exceed the maximum size...
In JavaScript split function can get the separator as RegEx (even in your case it is a simple char and for that RegEx is a waste!) and can limit the number of elements it returns...

JavaScript

var str = '1dsds:2dsds';
var ar = str.split(/:/, 9); // or better not to use RegEx at all - str.split(':', 0);

See split in JavaScript here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split[^]