In the example below I need 1 as the result because only one title has its text = lorem ipsum
I tried with contains but it counts all variations of a given criteria.
var str = 'lorem ipsum';
let x = $(`.title:contains("${str}")`).length;
console.log(x);
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class='title'>lorem ipsum</div>
<div class='title'>lorem ipsum a</div>
<div class='title'>a lorem ipsum</div>