Update app.py

app.py

@@ -94,10 +94,10 @@ class ChatbotAPP:
     def strip_text(self, text):
         # Pattern to match text inside parentheses or angle brackets, any text following angle brackets,
         # new line characters, and anything after ',', '<', or '|'
-        pattern = r"\(.*?\)|<.*?>.*|\n|<.*|\|.*|\s{3,}"
-        
+        patterns = [r"\(.*?\)|<.*?>.*|\n|\s{3,}", re.escape("im_start") , re.escape("im_end")]
+        combined_pattern = "|".join(patterns)
         # Use re.sub() to replace the matched text with an empty string
-        cleaned_text = re.sub(pattern, "", text)
+        cleaned_text = re.sub(patterns, "", text)
         
         return cleaned_text