Fix recognition of entity names in default agent with interpunction (#151759)

tests/components/conversation/test_default_agent.py

@@ -231,6 +231,29 @@ async def test_conversation_agent(hass: HomeAssistant) -> None:
     )
 
 
+@pytest.mark.usefixtures("init_components")
+async def test_punctuation(hass: HomeAssistant) -> None:
+    """Test punctuation is handled properly."""
+    hass.states.async_set(
+        "light.test_light",
+        "off",
+        attributes={ATTR_FRIENDLY_NAME: "Test light"},
+    )
+    expose_entity(hass, "light.test_light", True)
+
+    calls = async_mock_service(hass, "light", "turn_on")
+    result = await conversation.async_converse(
+        hass, "Turn?? on,, test;; light!!!", None, Context(), None
+    )
+
+    assert len(calls) == 1
+    assert calls[0].data["entity_id"][0] == "light.test_light"
+    assert result.response.response_type == intent.IntentResponseType.ACTION_DONE
+    assert result.response.intent is not None
+    assert result.response.intent.slots["name"]["value"] == "test light"
+    assert result.response.intent.slots["name"]["text"] == "test light"
+
+
 async def test_expose_flag_automatically_set(
     hass: HomeAssistant,
     entity_registry: er.EntityRegistry,