Add greedy wildcard replacement to replacer (#799)

Author: ppcad

logprep/processor/replacer/processor.py

@@ -110,7 +110,10 @@ def _handle_wildcard(replacement: Replacement, to_replace: str) -> Replacement |
         Other patterns require no escaping of `*`.
         """
         if replacement.keep_original:
-            match_idx = to_replace.find(replacement.next)
+            if replacement.greedy:
+                match_idx = to_replace.rfind(replacement.next)
+            else:
+                match_idx = to_replace.find(replacement.next)
             if match_idx < 0:
                 return None
             original = to_replace[:match_idx] if match_idx else to_replace

tests/unit/processor/replacer/test_replacer.py

@@ -283,6 +283,17 @@
         {"field": "Disconnected from 1.2.3.4. Connected to 1.2.3.4."},
         {"field": "Disconnected from IP. Connected to IP."},
     ),
+    (
+        "replace wildcard greedily",
+        {
+            "filter": "field",
+            "replacer": {
+                "mapping": {"field": "Disconnected from %{IP|g}. Connected to %{*|g}."},
+            },
+        },
+        {"field": "Disconnected from 1.2.3.4. Connected to 1.2.3.4."},
+        {"field": "Disconnected from IP. Connected to 1.2.3.4."},
+    ),
     (
         "replace multiple fields",
         {