diff --git a/__init__.py b/__init__.py
index a9db776..fcf463a 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,20 +1,23 @@
 from .save_string import SaveString
 from .print_string import PrintString
+from .replace_string import ReplaceString
 from .tokenizer_vocab import TokenizerVocab
 from .pick_item_json import PickItemJson
 
 NODE_CLASS_MAPPINGS = {
-    "SaveString": SaveString,
-    "TokenizerVocab": TokenizerVocab,
-    "PickItemJson": PickItemJson,
-    "PrintString": PrintString,
+    "IW_SaveString": SaveString,
+    "IW_PrintString": PrintString,
+    "IW_ReplaceString": ReplaceString,
+    "IW_TokenizerVocab": TokenizerVocab,
+    "IW_PickItemJson": PickItemJson,
 }
 
 # A dictionary that contains the friendly/humanly readable titles for the nodes
 NODE_DISPLAY_NAME_MAPPINGS = {
-    "SaveString": "IW SaveString",
-    "TokenizerVocab": "IW TokenizerVocab",
-    "PickItemJson": "IW PickItemJson",
-    "PrintString": "IW PrintString",
+    "IW_SaveString": "IW SaveString",
+    "IW_TokenizerVocab": "IW TokenizerVocab",
+    "IW_PickItemJson": "IW PickItemJson",
+    "IW_PrintString": "IW PrintString",
+    "IW_ReplaceString": "IW ReplaceString",
 }
 
diff --git a/pick_item_json.py b/pick_item_json.py
index b95dd49..e8b0392 100644
--- a/pick_item_json.py
+++ b/pick_item_json.py
@@ -10,7 +10,7 @@ class PickItemJson:
         return {
             "required": {
                 "pick_value": ("INT",{"defaultInput": True, "default": 0}),
-                "input": ("STRING",{"defaultInput": True, "default": "", "dynamicPrompts": False}),
+                "input": ("STRING",{"defaultInput": True, "default": "", "dynamicPrompts": False, "multiline": True}),
             },
             "optional": {
             },
diff --git a/replace_string.py b/replace_string.py
new file mode 100644
index 0000000..f7c7346
--- /dev/null
+++ b/replace_string.py
@@ -0,0 +1,33 @@
+import os
+import json
+
+class ReplaceString:
+    def __init__(self):
+        pass
+
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "haystack": ("STRING",{"defaultInput": True, "default": "{}", "multiline": True}),
+                "needle": ("STRING",{"defaultInput": False, "default": "%REPLACE%", "dynamicPrompts": False}),
+                "value": ("STRING",{"defaultInput": True, "default": "", "dynamicPrompts": False}),
+                "input_type": (["json", "verbatim"], {"default": "verbatim"}),
+            },
+            "optional": {
+            },
+        }
+
+    RETURN_TYPES = ("STRING", )
+    FUNCTION = "execute"
+
+    CATEGORY = "iw"
+
+    def execute(self, haystack, needle, value, input_type):
+        if input_type == "json":
+            z = json.loads(value)
+            if type(z) is str:
+                value = z
+            if type(z) is list:
+                value = " ".join(z)
+        return (haystack.replace(needle, value),)