Update app.py

app.py

@@ -6,12 +6,11 @@ import re
 import emoji
 from urllib.parse import unquote
 def filter_text_and_preserve_emojis(text):
-    # Function to identify if a character is an emoji
-    def is_emoji(s):
-        return s in emoji.UNICODE_EMOJI_ENGLISH
+# Create a regex pattern that matches allowed characters and emojis
+    allowed_pattern = re.compile(r'[a-zA-Z0-9\s.,?!\'"]|' + emoji.get_emoji_regexp().pattern)
 
-    # Replace characters not matching our allowed set or emojis with an empty string
-    filtered_text = ''.join(c if re.match(r'[a-zA-Z0-9\s.,?!\'"]', c) or is_emoji(c) else '' for c in text)
+    # Use the findall method to keep allowed characters and emojis
+    filtered_text = ''.join(allowed_pattern.findall(text))
     
     return filtered_text
 def filter_non_alphanumeric(text):