format currency regular expression javascript

Question

I need to display a formatted number on a web page using JavaScript. I want to format it so that there are commas in the right places. How would I do this with a regular expression? I've gotten as far as something like this:

I am trying to use regular expression using JavaScript to format currency for both in English and in French. Based on my language it should use a particular regular expression. The English is working well but am trying to figure out the French.

return "$" + num.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,');

This is working for English. So my 5000 get converted to $5,000.00 this is fine.

I need French to looks like this 5 000,00 $

I'm not sure if regex is the right tool for that. But I guess this question will help: stackoverflow.com/questions/149055/… — Marvin
– Marvin, Commented Jun 15, 2015 at 14:49

user2613638 · Accepted Answer · 2015-06-15 15:05:56Z

1

return num = num.substring(1).replace(/,/g , " ").replace(".", ",") + " $";

Use this to English formatted num.

answered Jun 15, 2015 at 15:05

user2613638

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Softwarex3 Over a year ago

the substring is not working i used num.toFixed(2).replace(/,/g, " ").replace(".", ",") + " $"; its working to an extend: for example: using the regular expression 125900 is coming as 125900,00 $ but i want something like 125 900,00 $

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