diff --git a/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs b/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs
index df6c62da51..e876ff1c81 100644
--- a/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs
+++ b/osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs
@@ -49,12 +49,12 @@ namespace osu.Game.Rulesets.Mania.Edit
             new HoldNoteCompositionTool()
         };
 
-        // 123|0,456|1,789|2 ...
-        private static readonly Regex selection_regex = new Regex(@"^\d+\|\d+(,\d+\|\d+)*$");
-
         public override string ConvertSelectionToString()
             => string.Join(',', EditorBeatmap.SelectedHitObjects.Cast<ManiaHitObject>().OrderBy(h => h.StartTime).Select(h => $"{h.StartTime}|{h.Column}"));
 
+        // 123|0,456|1,789|2 ...
+        private static readonly Regex selection_regex = new Regex(@"^\d+\|\d+(,\d+\|\d+)*$", RegexOptions.Compiled);
+
         public override void SelectFromTimestamp(double timestamp, string objectDescription)
         {
             if (!selection_regex.IsMatch(objectDescription))
diff --git a/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs b/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs
index 585d692978..c3fd36b933 100644
--- a/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs
+++ b/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs
@@ -104,12 +104,12 @@ namespace osu.Game.Rulesets.Osu.Edit
         protected override ComposeBlueprintContainer CreateBlueprintContainer()
             => new OsuBlueprintContainer(this);
 
-        // 1,2,3,4 ...
-        private static readonly Regex selection_regex = new Regex(@"^\d+(,\d+)*$");
-
         public override string ConvertSelectionToString()
             => string.Join(',', selectedHitObjects.Cast<OsuHitObject>().OrderBy(h => h.StartTime).Select(h => (h.IndexInCurrentCombo + 1).ToString()));
 
+        // 1,2,3,4 ...
+        private static readonly Regex selection_regex = new Regex(@"^\d+(,\d+)*$", RegexOptions.Compiled);
+
         public override void SelectFromTimestamp(double timestamp, string objectDescription)
         {
             if (!selection_regex.IsMatch(objectDescription))