diff --git a/netplay_index/api.py b/netplay_index/api.py
index b5016d1..d089750 100644
--- a/netplay_index/api.py
+++ b/netplay_index/api.py
@@ -32,9 +32,7 @@ def _filter_string(sessions, key, value, match=False):
 
     for session in sessions:
         if match:
-            if re.match(
-                ".*" + re.escape(value) + ".*", str(session[key]), re.IGNORECASE
-            ):
+            if re.search(re.escape(value), str(session[key]), re.IGNORECASE):
                 filtered_sessions.append(session)
         else:
             if session[key] == value: