JSFiddle - React, Tailwind, and code Playground

JavaScript

isArabic('نعم');
isArabic('Yes');

function isArabic(strInput)
{
    var arregex = /[\u0600-\u06FF]/;
    if (arregex.test(strInput)){
        alert('Yes, Has Arabic Characters');
    }else{
        alert('No, Has Not Arabic Characters');
    }
}