From 37314fca05468a3bfa8d4c3d23584586463a97fa Mon Sep 17 00:00:00 2001
From: Paul-Christian Volkmer
Date: Mon, 7 Sep 2026 15:15:19 +0200
Subject: feat!: only add level 4/5 ATC codes (#295)

ATC codes like `L`, `L01`, `L01E` are not imported any more and cannot be used as ATC code from database. These codes (from database) will be treated as unregistered code instead.---
 src/main/java/dev/dnpm/oshelper/atc/AtcCode.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/main/java/dev/dnpm/oshelper/atc/AtcCode.java')

diff --git a/src/main/java/dev/dnpm/oshelper/atc/AtcCode.java b/src/main/java/dev/dnpm/oshelper/atc/AtcCode.java
index beff5bf..ba42737 100644
--- a/src/main/java/dev/dnpm/oshelper/atc/AtcCode.java
+++ b/src/main/java/dev/dnpm/oshelper/atc/AtcCode.java
@@ -91,7 +91,7 @@ public class AtcCode implements AgentCode {
   }
 
   /**
-   * Checks for usable ATC code starting at level 2
+   * Checks for usable ATC code starting at level 4
    *
    * @param code Code to be checked
    * @return Will return <code>true</code> if code matches ATC code scheme
@@ -99,6 +99,6 @@ public class AtcCode implements AgentCode {
   public static boolean isAtcCode(String code) {
     return null != code
         && !code.isBlank()
-        && code.matches("[ABCDGHJLMNPRSV][0-2][1-9]([A-Z]([A-Z](\\d{2})?)?)?");
+        && code.matches("[ABCDGHJLMNPRSV][0-2][1-9][A-Z][A-Z](\\d{2})?");
   }
 }
-- 
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