Update app.py

app.py

@@ -30,11 +30,11 @@ def modify_caption(caption: str) -> str:
     
     # Create a regex pattern to match any of the prefixes
     pattern = '|'.join([re.escape(opening) for opening, _ in prefix_substrings])
-    replacers = {opening: replacer for opening, replacer in prefix_substrings}
+    replacers = {opening.lower(): replacer for opening, replacer in prefix_substrings}
     
     # Function to replace matched prefix with its corresponding replacement
     def replace_fn(match):
-        return replacers[match.group(0)]
+        return replacers[match.group(0).lower()]
     
     # Apply the regex to the caption
     modified_caption = re.sub(pattern, replace_fn, caption, count=1, flags=re.IGNORECASE)