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<p>A form with an email field that that must be in the following order: characters@characters.domain (characters followed by an @ sign, followed by more characters, and then a ".". After the "." sign, add at least 2 letters from a to z:</p>
<form action="https://www.w3schools.com/action_page.php">
E-mail: <input type="email" name="email" pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,}$">
<input type="submit">
</form>
<p><strong>Note:</strong> The pattern attribute of the input tag is not supported in Internet Explorer 9 and earlier versions.</p>
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