From 0b17af81f186c2f248307d185fb760ec2688e2bf Mon Sep 17 00:00:00 2001
From: Craftplacer <craftplacer@outlook.de>
Date: Thu, 27 May 2021 09:48:30 +0000
Subject: [PATCH] Use Contains instead of IndexOf

Co-authored-by: Berkan Diler <b.diler@gmx.de>
---
 osu.Game/Online/Chat/MessageNotifier.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game/Online/Chat/MessageNotifier.cs b/osu.Game/Online/Chat/MessageNotifier.cs
index 47758673bb..5b3293f7ee 100644
--- a/osu.Game/Online/Chat/MessageNotifier.cs
+++ b/osu.Game/Online/Chat/MessageNotifier.cs
@@ -140,7 +140,7 @@ private void checkForMentions(Channel channel, Message message, string username)
         /// Checks if <paramref name="message"/> contains <paramref name="username"/>, if not, retries making spaces into underscores.
         /// </summary>
         /// <returns>If the <paramref name="message"/> mentions the <paramref name="username"/></returns>
-        private static bool isMentioning(string message, string username) => message.IndexOf(username, StringComparison.OrdinalIgnoreCase) != -1 || message.IndexOf(username.Replace(' ', '_'), StringComparison.OrdinalIgnoreCase) != -1;
+        private static bool isMentioning(string message, string username) => message.Contains(username, StringComparison.OrdinalIgnoreCase) || message.Contains(username.Replace(' ', '_'), StringComparison.OrdinalIgnoreCase);
 
         public class OpenChannelNotification : SimpleNotification
         {