JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<input class="matchedit" >

JavaScript

$(document).ready(function(){
    $(".matchedit").on('input', function postinput(){
    console.log('ready')
        var matchvalue = $(this).val(); // this.value
        $.ajax({ 
            url: 'matchedit-data.php',
            data: { matchvalue: matchvalue },
            type: 'post'
        }).done(function(responseData) {
            // подгружаете контент (responseData) в HTML
        }).fail(function() {
            console.log('Failed');
        });
    });
});