[-] CORE : Fix warning #PSCFV-9678 when sending message to customer
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@@ -174,7 +174,7 @@ class ValidateCore
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*/
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public static function isMailName($mail_name)
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{
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return preg_match(Tools::cleanNonUnicodeSupport('/^[^<>;=#{}]*$/u'), $mail_name);
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return (is_string($module_name) && preg_match(Tools::cleanNonUnicodeSupport('/^[^<>;=#{}]*$/u'), $mail_name));
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}
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/**
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