Remove multiple line breaks (\n) in JavaScript

Question

We have an onboarding form for new employees with multiple newlines (4-5 between lines) that need stripped. I want to get rid of the extra newlines but still space out the

Answer 1

text = text.replace(/(\r\n|\r|\n){2,}/g, '$1\n');

use this, it will remove newlines where there are at least 2 or more

update

on specific requirement of the OP I will edit the answer a bit.

text = text.replace(/(\r\n|\r|\n){2}/g, '$1').replace(/(\r\n|\r|\n){3,}/g, '$1\n');