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Alex Rivera
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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: myString = myString.replace(/^(\d{3})*$/g, "${1},"); ...and then realized this would be more complex than I think (and the regex above is not even close to what I need). I've done some searching and I'm having a hard time finding something that works for this. Basically, I want these results: 45 becomes 45 3856 becomes 3,856 398868483992 becomes 398,868,483,992 ...you get the idea.
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