Fix language code check

jkramarz · Jul 26, 2016 · 6a6165f · 6a6165f
1 parent 90f1924
commit 6a6165f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/class.phpmailer.php b/class.phpmailer.php
@@ -1717,7 +1717,7 @@ public function setLanguage($langcode = 'en', $lang_path = '')
             $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
         }
         //Validate $langcode
-        if (!preg_match('/^[a-z]{2}$/', $langcode)) {
+        if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
             $langcode = 'en';
         }
         $foundlang = true;