Test HTML5 Regex Validation

by Johnny Lee

HTML

<form action="javascript: alert('Passed!');">
    Please enter your employee ID:
    <input type="text" pattern="[0-9]{3}" 
        title="Please enter a 3-digit number"
        placeholder="Enter employee ID here"
        maxLength="3" />
    <button type="submit">Submit</button>
</form>

CSS

body {
    font-family: Verdana, Arial, Serif;
}

JavaScript

// No javascript is required