diff --git a/app/utils/results.py b/app/utils/results.py
index 7b2f5f2fad..1b69d81ced 100644
--- a/app/utils/results.py
+++ b/app/utils/results.py
@@ -99,7 +99,7 @@ def replace_any_case(element: NavigableString, target_word: str) -> None:
         else:
             reg_pattern = fr'\b((?![{{}}<>-]){target_word}(?![{{}}<>-]))\b'
 
-        if re.match('.*[@_!#$%^&*()<>?/\|}{~:].*', target_word) or (
+        if re.match(r'.*[@_!#$%^&*()<>?/\|}{~:].*', target_word) or (
                 element.parent and element.parent.name == 'style'):
             return