Updated-simplified calling codes for German mobile carriers

src/Command/CleanMobileCommand.php

@@ -138,16 +138,18 @@ final class CleanMobileCommand extends Command
             }
 
             // Extract the 3‑digit network prefix and the subscriber part
-            $prefix    = substr($e164, 4, 3);   // after 0049
-            $subscriber = substr($e164, 7);
+            $prefix    = substr($e164, 4, 2);   // after 0049
+            $subscriber = substr($e164, 6);
 
             // Prefix must be one of the known mobile prefixes
             if (!in_array($prefix, $germanMobilePrefixes, true)) {
                 return false;
             }
 
-            // Subscriber must be 6‑10 digits long and consist only of digits
-            return preg_match('/^\d{6,10}$/', $subscriber) === 1;
+            // Subscriber must be 6‑11 digits long and consist only of digits
+            // (technically 6-10, but for simplification we consider first two as prefix,
+            // and the last digit of the prefix belongs to the subscriber)
+            return preg_match('/^\d{6,11}$/', $subscriber) === 1;
         };
 
         // -------------------------------------------------------------