JSFiddle - React, Tailwind, and code Playground

by juna

HTML

<textarea id="input"></textarea>
<input id="button" type="button" value="submit" />

JavaScript

$('#input').keyup(function() {
	if(!$(this).val().match(/^(?!\s)([a-zA-Z0-9 _.)?&]){1,}$/g)) {
	   $('#button').prop('disabled', true);
	}else{
	   $('#button').prop('disabled', false);
	}
});