Add editor tool to replace string in selected gameobject names

Author: unitycoder

Assets/Scripts/Editor/BatchTools/ReplaceCharacterInGameObjectNames.cs

@@ -0,0 +1,69 @@
+// editor tool to replace string from selected GameObject names
+
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+
+namespace UnityLibrary.Tools
+{
+    public class ReplaceCharacterInGameObjectNames : EditorWindow
+    {
+        private string searchString = "|";
+        private string replaceString = "@";
+
+        [MenuItem("Tools/Replace Characters in GameObject Names")]
+        public static void ShowWindow()
+        {
+            GetWindow<ReplaceCharacterInGameObjectNames>("Replace Characters");
+        }
+
+        private void OnGUI()
+        {
+            GUILayout.Label("Replace Characters in Selected GameObject Names", EditorStyles.boldLabel);
+
+            searchString = EditorGUILayout.TextField("Search String", searchString);
+            replaceString = EditorGUILayout.TextField("Replace String", replaceString);
+
+            int selectedObjectCount = Selection.gameObjects.Length;
+            GUILayout.Label($"Selected GameObjects: {selectedObjectCount}", EditorStyles.label);
+
+            if (GUILayout.Button("Replace"))
+            {
+                ReplaceCharacters();
+            }
+        }
+
+        private void ReplaceCharacters()
+        {
+            GameObject[] selectedObjects = Selection.gameObjects;
+
+            if (selectedObjects.Length == 0)
+            {
+                Debug.LogWarning("No GameObjects selected.");
+                return;
+            }
+
+            // Start a new undo group
+            Undo.IncrementCurrentGroup();
+            Undo.SetCurrentGroupName("Replace Character in GameObject Names");
+            int undoGroup = Undo.GetCurrentGroup();
+
+            foreach (GameObject obj in selectedObjects)
+            {
+                if (obj.name.Contains(searchString))
+                {
+                    Undo.RecordObject(obj, "Replace Character in GameObject Name");
+                    obj.name = obj.name.Replace(searchString, replaceString);
+                    EditorUtility.SetDirty(obj);
+                }
+            }
+
+            // End the undo group
+            Undo.CollapseUndoOperations(undoGroup);
+
+            EditorSceneManager.MarkSceneDirty(EditorSceneManager.GetActiveScene());
+
+            Debug.Log($"Replaced '{searchString}' with '{replaceString}' in the names of selected GameObjects.");
+        }
+    }
+}