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Split search query tokens on word boundaries for accurate inverted-index
matching

backend/search.py

@@ -762,6 +762,7 @@ def _split_query_tokens(raw: str) -> List[str]:
 def _passes_search_filters(
     file_info: dict,
     query_terms: List[str],
+    query_terms_raw: List[str],
     raw_query: str,
     case_sensitive: bool,
     whole_word: bool,
@@ -774,6 +775,7 @@ def _passes_search_filters(
     content = file_info.get("content", "")
     path = file_info.get("path", "")
     search_text = f"{title} {content}"
+    search_text_norm = normalize_text(search_text)
 
     # --- Regex mode ---
     if regex and raw_query:
@@ -786,20 +788,20 @@ def _passes_search_filters(
             if not pattern.search(search_text):
                 return False
         except re.error:
-            return False  # invalid regex
+            return False
         return _passes_path_filters(path, include_paths, exclude_paths)
 
-    # --- Case-sensitive ---
-    if case_sensitive and query_terms:
-        for term in query_terms:
+    # --- Case-sensitive (use raw, non-normalized terms) ---
+    if case_sensitive and query_terms_raw:
+        for term in query_terms_raw:
             if term not in search_text:
                 return False
 
-    # --- Whole-word ---
+    # --- Whole-word (use normalized text + normalized terms) ---
     if whole_word and query_terms:
         for term in query_terms:
             pattern = re.compile(rf"\b{re.escape(term)}\b", re.IGNORECASE)
-            if not pattern.search(search_text):
+            if not pattern.search(search_text_norm):
                 return False
 
     # --- Path filters (glob-like) ---
@@ -870,8 +872,12 @@ def advanced_search(
     # Vault filter — parsed vault: overrides parameter
     effective_vault = parsed["vault"] or vault_filter
 
-    # Normalize free-text terms
-    query_terms = [normalize_text(t) for t in parsed["terms"] if t.strip()]
+    # Tokenize free-text terms (splits on non-word chars like dots)
+    # "192.168" → ["192", "168"] for proper inverted index matching
+    query_terms_raw = [t for t in parsed["terms"] if t.strip()]
+    query_terms = []
+    for t in query_terms_raw:
+        query_terms.extend(tokenize(t))
     has_terms = len(query_terms) > 0
 
     if not has_terms and not all_tags and not parsed["title"] and not parsed["path"] and not parsed["ext"]:
@@ -991,7 +997,7 @@ def advanced_search(
         if score > 0:
             # --- Post-filters: case-sensitive, whole-word, regex, path filters ---
             if not _passes_search_filters(
-                file_info, query_terms, query,
+                file_info, query_terms, query_terms_raw, " ".join(query_terms_raw) if query_terms_raw else query,
                 case_sensitive, whole_word, regex, include_paths, exclude_paths
             ):
                 continue