JSFiddle - React, Tailwind, and code Playground

by Michel Plungjan

JavaScript

var charCode = 65
var char = String.fromCharCode(charCode)

if (/[a-z]/.test(char)) alert("Lower");
else if (/[A-Z]/.test(char)) alert("Upper");
else if (/[0-9]/.test(char)) alert("Numbers");