segmentation service handle 1.2.3

self_hosted_env/voice_agent/services/segmentation_service.py

 from langdetect import detect
 from typing import List, Dict
+import re
 
 class LanguageSegmentationService:
     """
@@ -74,8 +75,17 @@ class LanguageSegmentationService:
         if not stripped:
             return True
         
-        # Pure numbers (with optional punctuation like "1." or "#1")
-        if stripped.replace('#', '').isdigit():
+        # Check if it's a number (including decimals like 1.2, 3.14, etc.)
+        # Remove # and check if what remains is numeric (allowing dots for decimals)
+        cleaned = stripped.replace('#', '')
+        
+        # Check for section/chapter numbering like 1.2.3 or 1.2 or just 1
+        # Pattern: digits separated by dots or commas
+        if re.match(r'^[\d.]+$', cleaned) and any(c.isdigit() for c in cleaned):
+            return True
+        
+        # Also handle numbers with commas (like 1,000)
+        if re.match(r'^[\d,]+$', cleaned) and any(c.isdigit() for c in cleaned):
             return True
         
         # Special markdown-like markers (##, ###, etc.)