Don't autocomplete tags like name_1 in raw tag editor, closes #9422

CHANGELOG.md

@@ -40,6 +40,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 #### :tada: New Features
 #### :sparkles: Usability & Accessibility
 * Show the color of (route) relations in the form of small colored circles in relation membership section and feature search results ([#9424])
+* Hide tag suggestions for tags like `name_1` in raw tag editor autocomplete ([#9422])
 #### :scissors: Operations
 #### :camera: Street-Level
 #### :white_check_mark: Validation
@@ -50,6 +51,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 #### :hammer: Development
 
 [#9424]: https://github.com/openstreetmap/iD/pull/9424
+[#9422]: https://github.com/openstreetmap/iD/issues/9422
 
 
 # 2.27.3

modules/ui/sections/raw_tag_editor.js

@@ -433,9 +433,10 @@ export function uiSectionRawTagEditor(id, context) {
                 }, function(err, data) {
                     if (!err) {
                         const filtered = data
-                            .filter(d => _tags[d.value] === undefined)
+                            .filter(d => _tags[d.value] === undefined) // already used tag
                             .filter(d => !(d.value in _discardTags)) // do not suggest discardable tags (see #9817)
-                            .filter(d => d.value.toLowerCase().includes(value.toLowerCase()));
+                            .filter(d => !/_\d$/.test(d)) // tag like name_1 (see #9422)
+                            .filter(d => d.value.toLowerCase().includes(value.toLowerCase())); // tag does not match user input
                         callback(sort(value, filtered));
                     }
                 });