JSFiddle - React, Tailwind, and code Playground

HTML

<textarea name="recommend" wrap="hard" required="required" cols="30" rows="6" id="recommend"></textarea>
<button onclick="test();" />

JavaScript

function test() {
val=document.getElementById('recommend').value;
val = val.replace(/<br\s*\/?>/mg,"\n");
alert(val);
console.log(val);
console.log("newline\nnewline");
console.log("html br<br/>html br");
}