1: <?php
2:
3: /**
4: * Primitive email validation class based on the regexp found at
5: * http://www.regular-expressions.info/email.html
6: */
7: class HTMLPurifier_AttrDef_URI_Email_SimpleCheck extends HTMLPurifier_AttrDef_URI_Email
8: {
9:
10: public function validate($string, $config, $context) {
11: // no support for named mailboxes i.e. "Bob <bob@example.com>"
12: // that needs more percent encoding to be done
13: if ($string == '') return false;
14: $string = trim($string);
15: $result = preg_match('/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i', $string);
16: return $result ? $string : false;
17: }
18:
19: }
20:
21: // vim: et sw=4 sts=4
22: