From 8d317c49fa51db661c32f282514d10ed079fd029 Mon Sep 17 00:00:00 2001
From: Patrick Kasteel <kplkasteel@gmail.com>
Date: Fri, 2 Jan 2026 18:53:51 +0000
Subject: [PATCH] Initial commit: Substring Extractor for ComfyUI

---
 __init__.py            |  3 +++
 substring_extractor.py | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 __init__.py
 create mode 100644 substring_extractor.py

diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..47e32d8
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,3 @@
+from .substring_extractor import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+
+__all__ = ['NODE_CLASS_MAPPINGS', 'NODE_DISPLAY_NAME_MAPPINGS']
\ No newline at end of file
diff --git a/substring_extractor.py b/substring_extractor.py
new file mode 100644
index 0000000..295f863
--- /dev/null
+++ b/substring_extractor.py
@@ -0,0 +1,33 @@
+class SubstringExtractor:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "text": ("STRING", {"multiline": True, "default": ""}),
+                "begin_delimiter": ("STRING", {"default": "Begin Eyes;"}),
+                "end_delimiter": ("STRING", {"default": "End Eyes;"}),
+            },
+        }
+
+    RETURN_TYPES = ("STRING",)
+    FUNCTION = "extract"
+    CATEGORY = "TextParsing"
+
+    def extract(self, text, begin_delimiter, end_delimiter):
+        try:
+            start_index = text.find(begin_delimiter)
+            if start_index == -1:
+                return (f"Start delimiter not found",)
+            
+            start_pos = start_index + len(begin_delimiter)
+            end_index = text.find(end_delimiter, start_pos)
+            
+            if end_index == -1:
+                return (f"End delimiter not found",)
+            
+            return (text[start_pos:end_index].strip(),)
+        except:
+            return ("Error during extraction",)
+
+NODE_CLASS_MAPPINGS = {"SubstringExtractor": SubstringExtractor}
+NODE_DISPLAY_NAME_MAPPINGS = {"SubstringExtractor": "🔍 Substring Extractor"}
\ No newline at end of file