How do I replace all line breaks in a string with elements?

Question

How can I read the line break from a value with JavaScript and replace all the line breaks with
elements?

Example:

A variable passe

Answer 1

For those of you who just want to allow max. 2
in a row, you can use this:

let text = text.replace(/(\r?\n){2,}/g, '

');
text = text.replace(/(\r?\n)/g, '
');

First line: Search for \n OR \r\n where at least 2 of them are in a row, e.g. \n\n\n\n. Then replace it with 2 br

Second line: Search for all single \r\n or \n and replace them with