From 4cb122dad46b3cff9de615b47e7220fd8488297d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Dach?= <dach.bartlomiej@gmail.com>
Date: Mon, 26 Jun 2023 22:27:48 +0200
Subject: [PATCH] Escape user input before embedding into regex

---
 osu.Game/Screens/Select/FilterCriteria.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game/Screens/Select/FilterCriteria.cs b/osu.Game/Screens/Select/FilterCriteria.cs
index 0024c431f1..22780acfc3 100644
--- a/osu.Game/Screens/Select/FilterCriteria.cs
+++ b/osu.Game/Screens/Select/FilterCriteria.cs
@@ -150,7 +150,7 @@ namespace osu.Game.Screens.Select
                     return false;
 
                 if (Exact)
-                    return Regex.IsMatch(value, $@"(^|\s){searchTerm}($|\s)", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+                    return Regex.IsMatch(value, $@"(^|\s){Regex.Escape(searchTerm)}($|\s)", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
 
                 return value.Contains(SearchTerm, StringComparison.InvariantCultureIgnoreCase);
             }