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Underscores are valid characters in domains. Fixes #3219

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This commit is contained in:
Chris Buechler 2014-10-19 18:38:13 -05:00
parent 621fed0e0f
commit bc12ae8a7b
1 changed files with 1 additions and 1 deletions
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2
etc/inc/util.inc
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@ -644,7 +644,7 @@ function is_domain($domain) {
if (!is_string($domain))
return false;
if (preg_match('/^(?:(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])\.)*(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])$/i', $domain))
if (preg_match('/^(?:(?:[a-z_0-9]|[a-z_0-9][a-z_0-9\-]*[a-z_0-9])\.)*(?:[a-z_0-9]|[a-z_0-9][a-z_0-9\-]*[a-z_0-9])$/i', $domain))
return true;
else
return false;