JSFiddle - React, Tailwind, and code Playground

HTML

<input class=" validate-foating-value" type="text" />

JavaScript

$(document).ready(function () {

    $(".validate-foating-value").keypress(function (e) {
         if (!/^[0-9]*\.?[0-9]*$/.test($(e.target).val() + String.fromCharCode(e.which))) {
            return false;
        }
    });
});