diff --git a/src/main/java/eu/openaire/urls_controller/util/FileUtils.java b/src/main/java/eu/openaire/urls_controller/util/FileUtils.java
index 85dce68..4f672cb 100644
--- a/src/main/java/eu/openaire/urls_controller/util/FileUtils.java
+++ b/src/main/java/eu/openaire/urls_controller/util/FileUtils.java
@@ -66,7 +66,7 @@ public class FileUtils {
 
     // The following regex might be useful in a future scenario. It extracts the "plain-filename" and "file-ID" and the "file-extension".
     // Possible full-filenames are: "path1/path2/ID.pdf", "ID2.pdf", "path1/path2/ID(12).pdf", "ID2(25).pdf"
-    public static final Pattern FILEPATH_ID_EXTENSION = Pattern.compile("([^.()]+/)?((([^/()]+)[^./]*)(\\.[\\w]{2,10}))$");
+    public static final Pattern FILEPATH_ID_EXTENSION = Pattern.compile("(.*/)?((([^/()]+)[^./]*)(\\.[\\w]{2,10}))$");
 
     public static final ExecutorService hashMatchingExecutor = Executors.newFixedThreadPool(6);
     // TODO - Unify this ExecutorService with the hash-matching executorService. Since one will ALWAYS be called after the other. So why having two ExecServices to handle?