fix mail func by falk

diff --git a/include/plugin_api_extension.inc.php b/include/plugin_api_extension.inc.php
index f72827765c94449b86de47ea97af2ddb457ac0df..3a1b06c9869e563ad50db9a15abfe42db397ace4 100644 (file)
--- a/include/plugin_api_extension.inc.php
+++ b/include/plugin_api_extension.inc.php
@@ -120,7 +120,7 @@ class serendipity_plugin_api_extension extends serendipity_plugin_api
 
     function isEmail($email)
     {
-        $preg = '^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@(([_a-zA-Z0-9-]+\.)+([a-zA-Z]{2,}|museum)|localhost)$';
+        $preg = '/^[a-zA-Z0-9-]+([\._a-zA-Z0-9-]+)*@(([a-zA-Z0-9-]+[\.-])+([a-zA-Z]{2,}|museum)|localhost)$/';
         return (preg_match($preg, $email) != 0);
     }