refs #18015 [master] adjust GND regex pattern

* not cutting tailing "-7" any more
* match endings like "X", "-X" or "-2"

module/finc/src/finc/RecordDriver/SolrMarcFinc.php

@@ -57,7 +57,7 @@ class SolrMarcFinc extends SolrMarc
     /**
      * pattern to identify normed data set of GND
      */
-    const GND_PATTERN = '/^(\(DE-588\))(\d+)(\w|)/';
+    const GND_PATTERN = '/^(\(DE-588\))(\d+)(\S*)$/';
 
     /**
      * List of isil of institution