Update app.py

app.py

@@ -226,15 +226,30 @@ def detect_document(text):
     # VEHICLE PLATE NUMBER
     # =========================
 
+    plate_patterns = [
+
+    # Standard Nigerian plates
+    r"[A-Z]{2,3}\s?\d{2,3}[A-Z]{1,2}",
+
+    # OCR damaged versions
+    r"[A-Z]{1,3}\d{2,3}[A-Z]{1,3}",
+
+    # Hyphen formats
+    r"[A-Z]{2,3}-?\d{2,3}-?[A-Z]{1,2}"
+]
+
+for pattern in plate_patterns:
+
     plate_match = re.search(
-        r"[A-Z]{3}-?\d{3}[A-Z]{2}",
+        pattern,
         text.upper()
     )
 
     if plate_match:
+
         return {
             "document_type": "vehicle_plate",
-            "confidence": 93,
+            "confidence": 85,
             "matched_keywords": [plate_match.group()]
         }