JSFiddle - React, Tailwind, and code Playground

by srikanth1818

HTML

<div class="textTest">
    <input type="text"/>
</div>

JavaScript

$(".textTest input").keyup(function () {
    if ($(this).val().match(/^[\u4E00-\u9FFF\u3400-\u4DFF\uF900-\uFAFF]+$/g)) {
        alert('Chinese character sets');
    }
    else alert('English');
});