HTML <input> with pattern Attribute
HTML <input> with pattern Attribute
The pattern attribute specifies a regular expression that an <input> element's value is validated against.
Note: The validation is done at the time of submitting a form.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<form action="/user-age.php" id="myForm">
<p>What is your age?</p>
Age: <input type="text" name="age" pattern="[0-9]{1,2}">
<input type="submit" value="Submit">
</form>
</body>
</html>
Attribute Value
| Value | Explanation |
|---|---|
| regExp | Specifies a regular expression that an <input> element's value is validated against. |
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