JSFiddle - React, Tailwind, and code Playground
by jasonmerino
HTML
<textarea id="theText">< form></textarea>
<p id="resultOne"></p>
<p id="resultTwo"></p>
JavaScript
var patternOne = new RegExp("< */* *form", "i");
var patternTwo = new RegExp("<\s*/*\s*form", "i");
if (patternOne.test($('#theText').val())) {
$('#resultOne').append('Passes Pattern One');
} else {
$('#resultOne').append('Fails Pattern One');
}
if (patternTwo.test($('#theText').val())) {
$('#resultTwo').append('Passes Pattern Two');
} else {
$('#resultTwo').append('Fails Pattern Two');
}