Update app.py

app.py

@@ -68,8 +68,8 @@ def number_to_words(number):
         return str(number)
 
 def normalize_text(text):
-    # ➤ Beddel dhammaan noocyada zamzam (xaraf weyn/yari ama dhexda ku jira)
-    text = re.sub(r'(?i)zamzam', 'samsam', text)  # (?i) = ignore case
+    # ➤ Beddel ereyga zamzam dhammaan noocyadiisa (bilow, dhex, dhammaad)
+    text = re.sub(r'(?i)(?<!\w)zamzam(?!\w)', 'samsam', text)
 
     # ➤ Ka saar tirooyin leh koma iyo tobanle
     text = re.sub(r'(\d{1,3})(,\d{3})+', lambda m: m.group(0).replace(",", ""), text)