JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="txtJobDesc" row="10"></textarea>
<input type="button" value="submit" onclick="CheckContent();"/>

JavaScript

var RegForRestrictHtmlTags2 = /<(.|\n)*?>/g;  
function CheckContent(){
    $('#txtJobDesc').val("AAAAAAAA<fff>AAAAAA");
    console.log(RegForRestrictHtmlTags2.lastIndex);
    console.log(RegForRestrictHtmlTags2.test($('#txtJobDesc').val()));
}
//when you click on "submit" button first time you get "true" and second time you get "false" for same content.