JSFiddle - React, Tailwind, and code Playground
by vinodlouis
JavaScript
var emailReg = /^[a-z0-9_\+-]+(\.[a-z0-9_\+-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*\.([a-z]{2,4})$/;
console.log(emailReg.test(""));
console.log(emailReg.test("ljgdfjgldf"));
console.log(emailReg.test("[email protected]"));