fix: problem with function sanitize

app.py

@@ -17,10 +17,7 @@ INPUT_FOLDER = "input"
 download_path = ""
 
 def sanitize_filename(filename):
-    match = re.match(r'^(.*? - .*?)(?: \[.*\]|\(.*\))?$', filename)
-    formatted_title = match.group(1) if match else filename
-
-    return sanitize_filename(formatted_title.strip())
+    return re.sub(r'[\\/*?:"<>|]', '_', filename)
 
 def delete_input_files(input_dir):
     wav_dir = Path(input_dir) / "wav"
@@ -33,7 +30,11 @@ def handle_file_upload(file):
         return None, "No file uploaded"
 
     filename = os.path.basename(file.name)
-    formatted_title = sanitize_filename(Path(filename).stem)
+    
+    match = re.match(r'^(.*? - .*?)(?: \[.*\]|\(.*\))?$', filename)
+    formatted_title = match.group(1) if match else filename
+
+    formatted_title = sanitize_filename(formatted_title.strip())
     
     input_path = os.path.join(INPUT_FOLDER, "wav", f"{formatted_title}.wav")
     os.makedirs(os.path.dirname(input_path), exist_ok=True)