# contact-forms/1.3.3/PFBC/Validation/AlphaNumeric.php

Contact Forms by Cimatti, version 1.3.3. 9 lines.

- Page: https://pluginprobe.com/plugins/contact-forms/1.3.3/code/PFBC/Validation/AlphaNumeric.php
- Raw: https://pluginprobe.com/plugins/contact-forms/1.3.3/raw/PFBC/Validation/AlphaNumeric.php
- Modified: 2013-07-25T16:57:42+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/contact-forms/1.3.3/code/PFBC/Validation/AlphaNumeric.php#L10-L20`.

```php
<?php
class Validation_AlphaNumeric extends Validation_RegExp {
	protected $message = "Error: %element% must be alphanumeric (contain only numbers, letters, underscores, and/or hyphens).";

	public function __construct($message = "") {
		parent::__construct("/^[a-zA-Z0-9_-]+$/", $message);
	}
}

```