diff --git a/DysonNetwork.Sphere/Chat/ChatService.cs b/DysonNetwork.Sphere/Chat/ChatService.cs
index 190406b..95a4514 100644
--- a/DysonNetwork.Sphere/Chat/ChatService.cs
+++ b/DysonNetwork.Sphere/Chat/ChatService.cs
@@ -20,7 +20,7 @@ public partial class ChatService(
 {
     private const string ChatFileUsageIdentifier = "chat";
 
-    [GeneratedRegex(@"https?://[-A-Za-z0-9+&@#/%?=~_|!:,.;]*[-A-Za-z0-9+&@#/%=~_|]")]
+    [GeneratedRegex(@"https?://(?!.*\.\w{1,6}(?:[#?]|$))[^\s]+", RegexOptions.IgnoreCase)]
     private static partial Regex GetLinkRegex();
 
     /// <summary>
diff --git a/DysonNetwork.Sphere/Post/PostService.cs b/DysonNetwork.Sphere/Post/PostService.cs
index ae55daa..84f1515 100644
--- a/DysonNetwork.Sphere/Post/PostService.cs
+++ b/DysonNetwork.Sphere/Post/PostService.cs
@@ -283,7 +283,7 @@ public partial class PostService(
         return post;
     }
 
-    [GeneratedRegex(@"https?://[-A-Za-z0-9+&@#/%?=~_|!:,.;]*[-A-Za-z0-9+&@#/%=~_|]")]
+    [GeneratedRegex(@"https?://(?!.*\.\w{1,6}(?:[#?]|$))[^\s]+", RegexOptions.IgnoreCase)]
     private static partial Regex GetLinkRegex();
 
     public async Task<Post> PreviewPostLinkAsync(Post item)