- Compatible XF 1.x versions
- 1.5
- License
- Creative Commons license
- Visible branding
- No
No download is needed 
___
Do you need regular expression to validate user's email?
Now you can do it, using a file edit
Find these lines :
Change as you wish, such as :
(this pattern is just a sample. Do not use it without knowing what it means)

___
Do you need regular expression to validate user's email?
Now you can do it, using a file edit

- Please backup the file before modifying
Code:
/library/XenForo/Helper/Email.php
Find these lines :
PHP:
public static function isEmailValid($email)
{
$validator = new Zend_Validate_EmailAddress();
$validator->getHostnameValidator()
->setValidateTld(false)
->setValidateIdn(false);
return $validator->isValid($email);
}
Change as you wish, such as :
(this pattern is just a sample. Do not use it without knowing what it means)
PHP:
public static function isEmailValid($email)
{
if ('' != $email) {
$your_own_pattern = '/^([0-9]+)/iU';
if (preg_match($your_own_pattern, $email)) {
return false;
}
}
$validator = new Zend_Validate_EmailAddress();
$validator->getHostnameValidator()
->setValidateTld(false)
->setValidateIdn(false);
return $validator->isValid($email);
}