JSFiddle - React, Tailwind, and code Playground
HTML
<input id="email" name="email" placeholder="ex: mail@monmail.com" pattern="[a-zA-Z0-9._\-]+@[a-zA-Z0-9._\-]+\.[a-zA-Z]{2,10}" required="" type="email">
<input id="email" name="email" placeholder="ex: mail@monmail.com" pattern="[a-zA-Z0-9._\-]+@[a-zA-Z0-9._\-]+\.[a-zA-Z]{2,10}" required="" type="email">