From a574bb2f56328e3596536c232edc4ed0e4073fd3 Mon Sep 17 00:00:00 2001
From: Sarah Hoffmann <lonvia@denofr.de>
Date: Thu, 7 May 2026 13:45:18 +0200
Subject: [PATCH] add sanitizer for suspicious ref values

Mostly for filtering ref tags from German post boxes.
---
 settings/icu_tokenizer.yaml                |  5 +++++
 test/bdd/features/db/import/naming.feature | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/settings/icu_tokenizer.yaml b/settings/icu_tokenizer.yaml
index 45d21c2b..69bcda43 100644
--- a/settings/icu_tokenizer.yaml
+++ b/settings/icu_tokenizer.yaml
@@ -43,6 +43,11 @@ sanitizers:
     - step: clean-tiger-tags
     - step: split-name-list
       delimiters: ;
+    - step: delete-tags
+      filter-kind: ref
+      name:
+        - ".*,.*"
+        - ".{41,}"
     - step: strip-brace-terms
     - step: tag-analyzer-by-language
       filter-kind: [".*name.*"]
diff --git a/test/bdd/features/db/import/naming.feature b/test/bdd/features/db/import/naming.feature
index 944c2de7..1c76b849 100644
--- a/test/bdd/features/db/import/naming.feature
+++ b/test/bdd/features/db/import/naming.feature
@@ -102,3 +102,17 @@ Feature: Import and search of names
         Then the result set contains
             | object |
             | N3  |
+
+
+    Scenario: ref tags with full address are not searchable
+        Given the places
+            | osm | class   | type    | name+ref                         | geometry |
+            | N1  | amenity | postbox | Hoopter Straße 207, 21423 Winsen | 23 45    |
+        When importing
+        Then placex contains
+            | object | name+ref                         |
+            | N1     | Hoopter Straße 207, 21423 Winsen |
+        And search_name contains exactly
+            | object |
+        When geocoding "Hoopter Straße"
+        Then exactly 0 results are returned
-- 
2.47.3