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kaugesaar/demo.js

Created April 29, 2015 18:05
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Add thousand separators with regex
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demo.js
var budget = "12381298198";
budget.replace(/(^|[^0-9.])([0-9]{4,})/g, function($0, $1, $2) {
return $1 + $2.replace(/[0-9](?=(?:[0-9]{3})+(?![0-9]))/g, "$& ");
});
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