Update app.py

app.py

@@ -35,12 +35,30 @@ def format_neo4j_datetime(dt) -> str:
         return 'Unknown date'
 
 def is_displayable_keyword(keyword: str) -> bool:
-    """Check if a keyword should be displayed (not just numbers)."""
+    """
+    Check if a keyword should be displayed (not just numbers and separators).
+    Filters out:
+    - Pure numbers (1234)
+    - Numbers with dots (15.10)
+    - Numbers with dashes (2023-01)
+    - Numbers with spaces (15 10)
+    - Numbers with slashes (15/10)
+    - Any combination of above
+    """
     if not keyword:
         return False
-    # Remove any spaces and check if the remaining string is numeric
-    cleaned = keyword.replace(' ', '')
-    return not cleaned.isnumeric()
+    
+    # Remove all common number separators and spaces
+    cleaned = keyword.replace('.', '') \
+                    .replace('-', '') \
+                    .replace('/', '') \
+                    .replace('\\', '') \
+                    .replace(' ', '') \
+                    .replace(':', '') \
+                    .replace(',', '')
+    
+    # Check if what remains is just digits
+    return not cleaned.isdigit()
 
 def format_interest_list_for_display(interests: set, max_items: int = 10) -> str:
     """Format a list of interests for display, hiding numeric-only keywords."""