JSFiddle - React, Tailwind, and code Playground

by blesh

HTML

<p>RegExp:</p>
<textarea id="regexp"></textarea>
<br/>
<p>Text:</p>
<textarea id="text"></textarea>
<hr/>
<p>Output:</p>
<pre id="output"></pre>

CSS

textarea {
    width: 100%;
}

JavaScript

$('#regexp').on('keyup change', function (e) {
    var r = new RegExp($(this).val(), 'g');
    var txt = $('#text').val();
    var matches = r.exec(txt);
    console.clear();
    console.log(matches);
    $('#output').text(JSON.stringify(matches, null, '   '));
});