JSFiddle - React, Tailwind, and code Playground

HTML

<textarea  id="foo"> </textarea>

<input type="text" id="bar"/>

JavaScript

var regx = /^[a-zA-Z0-9?$@#()'!,+\-=_:.&€£*%\s]+$/;

$('#foo').keyup(function() {
    if (regx.test(this.value)) $('#bar').val('correct');
    else  $('#bar').val('incorrect');
});