Fix glob pattern escaping

src/serena/text_utils.py

@@ -153,19 +153,9 @@ def search_text(
 
     # Convert pattern to a compiled regex if it's a string
     if is_glob and isinstance(pattern, str):
-        # Convert glob pattern to regex
-        # Escape all regex special characters except * and ?
-        regex_special_chars = r"\^$.|+()[{"
-        escaped_pattern = ""
-        for char in pattern:
-            if char in regex_special_chars:
-                escaped_pattern += "\\" + char
-            elif char == "*":
-                escaped_pattern += ".*"
-            elif char == "?":
-                escaped_pattern += "."
-            else:
-                escaped_pattern += char
+        # Convert glob pattern to regex. Use re.escape to handle special
+        # characters and replace glob wildcards afterwards.
+        escaped_pattern = "".join(".*" if ch == "*" else "." if ch == "?" else re.escape(ch) for ch in pattern)
         # For glob patterns, don't anchor with ^ and $ to allow partial line matches
         compiled_pattern = re.compile(escaped_pattern)
     elif isinstance(pattern, str):

test/serena/test_text_utils.py

@@ -182,6 +182,24 @@ class TestSearchText:
         assert any("isinstance(item, dict)" in line for line in instance_matches)
         assert any("isinstance(item, list)" in line for line in instance_matches)
 
+    def test_search_text_glob_with_special_chars(self):
+        """Glob patterns containing regex special characters should match literally."""
+        content = """
+        def func_square():
+            print("value[42]")
+
+        def func_curly():
+            print("value{bar}")
+        """
+
+        matches_square = search_text(r"*\[42\]*", content=content, is_glob=True)
+        assert len(matches_square) == 1
+        assert "[42]" in matches_square[0].lines[0].line_content
+
+        matches_curly = search_text("*{bar}*", content=content, is_glob=True)
+        assert len(matches_curly) == 1
+        assert "{bar}" in matches_curly[0].lines[0].line_content
+
     def test_search_text_no_matches(self):
         """Test searching with a pattern that doesn't match anything."""
         content = """