Index: units/phrases/phrases_config.php
===================================================================
--- units/phrases/phrases_config.php	(revision 13571)
+++ units/phrases/phrases_config.php	(working copy)
@@ -132,8 +132,8 @@
 		'Fields' => Array (
             'Phrase' => Array (
             	'type' => 'string',
-            	'required' => 1, 'unique' => Array ('LanguageId'),
-            	'not_null' => 1, 'default' => '',
+            	'formatter' => 'kFormatter', 'regexp' => '/^(la|lu)_[A-Z\d:_\-\.]+$/i', 'unique' => Array ('LanguageId'),
+            	'not_null' => 1, 'required' => 1, 'default' => '',
             ),
 			'PhraseKey' => Array ('type' => 'string', 'max_len' => 255, 'not_null' => 1, 'default' => ''),
             'Translation' => Array ('type' => 'string', 'formatter' => 'kFormatter', 'required' => 1, 'using_fck' => 1, 'default' => NULL),