a more clever workaround

TeamOctolings.Octobot/Commands/RemindCommandGroup.cs

@@ -158,11 +158,22 @@ public sealed class RemindCommandGroup : CommandGroup
             return await _feedback.SendContextualEmbedResultAsync(failedEmbed, ct: CancellationToken);
         }
 
-        return await AddReminderAsync(timeSpan, text, data, channelId, executor, CancellationToken);
+        var replacedText = text.Replace("`", "");
+        if (replacedText.Equals(string.Empty))
+        {
+            var failedEmbed = new EmbedBuilder()
+                .WithSmallTitle(Messages.ReminderTextOnlyBanned, bot)
+                .WithColour(ColorsList.Red)
+                .Build();
+
+            return await _feedback.SendContextualEmbedResultAsync(failedEmbed, ct: CancellationToken);
+        }
+
+        return await AddReminderAsync(timeSpan, text, replacedText, data, channelId, executor, CancellationToken);
     }
 
-    private async Task<Result> AddReminderAsync(TimeSpan timeSpan, string text, GuildData data,
+    private async Task<Result> AddReminderAsync(TimeSpan timeSpan, string text, string replacedText,
-        Snowflake channelId, IUser executor, CancellationToken ct = default)
+        GuildData data, Snowflake channelId, IUser executor, CancellationToken ct = default)
     {
         var memberData = data.GetOrCreateMemberData(executor.ID);
         var remindAt = DateTimeOffset.UtcNow.Add(timeSpan);
@@ -177,17 +188,24 @@ public sealed class RemindCommandGroup : CommandGroup
             {
                 At = remindAt,
                 ChannelId = channelId.Value,
-                Text = text,
+                Text = replacedText,
                 MessageId = response.ID.Value
             });
 
-        var builder = new StringBuilder()
+        var textEqualsReplaced = text.Equals(replacedText);
-            .AppendBulletPointLine(string.Format(Messages.ReminderText, Markdown.InlineCode(text)))
+        var builder = new StringBuilder().AppendBulletPointLine(
-            .AppendBulletPoint(string.Format(Messages.ReminderTime, Markdown.Timestamp(remindAt)));
+            string.Format(Messages.ReminderText, Markdown.InlineCode(replacedText)));
+        if (!textEqualsReplaced)
+        {
+            builder.AppendSubBulletPointLine(Messages.ReminderTextContainedBanned);
+        }
+
+        builder.AppendBulletPoint(string.Format(Messages.ReminderTime, Markdown.Timestamp(remindAt)));
+
         var embed = new EmbedBuilder().WithSmallTitle(
                 string.Format(Messages.ReminderCreated, executor.GetTag()), executor)
             .WithDescription(builder.ToString())
-            .WithColour(ColorsList.Green)
+            .WithColour(textEqualsReplaced ? ColorsList.Green : ColorsList.Yellow)
             .WithFooter(string.Format(Messages.ReminderPosition, memberData.Reminders.Count))
             .Build();
 

TeamOctolings.Octobot/Messages.Designer.cs

@@ -1196,5 +1196,17 @@ namespace TeamOctolings.Octobot {
                 return ResourceManager.GetString("SettingsModeratorRole", resourceCulture);
             }
         }
+        
+        internal static string ReminderTextContainedBanned {
+            get {
+                return ResourceManager.GetString("ReminderTextContainedBanned", resourceCulture);
+            }
+        }
+        
+        internal static string ReminderTextOnlyBanned {
+            get {
+                return ResourceManager.GetString("ReminderTextOnlyBanned", resourceCulture);
+            }
+        }
     }
 }

TeamOctolings.Octobot/Messages.resx

@@ -681,4 +681,10 @@
     <data name="SettingsModeratorRole" xml:space="preserve">
       <value>Moderator role</value>
   </data>
+  <data name="ReminderTextContainedBanned" xml:space="preserve">
+      <value>Reminder text contained banned characters.</value>
+  </data>
+  <data name="ReminderTextOnlyBanned" xml:space="preserve">
+      <value>Reminder text contains only banned characters!</value>
+  </data>
 </root>

TeamOctolings.Octobot/Messages.ru.resx

@@ -681,4 +681,10 @@
     <data name="SettingsModeratorRole" xml:space="preserve">
       <value>Роль модератора</value>
   </data>
+  <data name="ReminderTextContainedBanned" xml:space="preserve">
+      <value>Текст напоминания содержал запрещенные символы.</value>
+  </data>
+  <data name="ReminderTextOnlyBanned" xml:space="preserve">
+      <value>Текст напоминания содержит только запрещенные символы!</value>
+  </data>
 </root>