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rated 0 times [ 33] [ 6] / answers: 1 / hits: 51377 / 13 Years ago, mon, august 8, 2011, 12:00:00

What is the easiest way to insert hyphens in JavaScript?

I have a phone number eg. 1234567890

While displaying in the front-end, I have to display it as 123-456-7890 using JavaScript.

What is the simplest way to achieve this?

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answered 13 Years ago allanw · Accepted Answer

Quickest way would be with some regex:

Where n is the number

n.replace(/(d{3})(d{3})(d{4})/, $1-$2-$3);

var n = 1234567899;

console.log(n.replace(/(d{3})(d{3})(d{4})/, $1-$2-$3));