JSFiddle - React, Tailwind, and code Playground
HTML
<textarea rows="15" cols="50" id="textArea">
Hello
This is dummy text that could be inside the text area.
It will then be put into the canvas.
</textarea>
JavaScript
var enteredText = '/n';
console.log(enteredText.search(/\n/g));
//var numberOfLineBreaks = (enteredText.match(/\n/g)||[]).length;
//var characterCount = enteredText.length + numberOfLineBreaks;
//alert('Number of breaks: ' + numberOfLineBreaks);