Update app.py

app.py

@@ -19,9 +19,9 @@ def validate_input(input_string):
     
     # Check if input contains at least one non-numeric character
     if re.match(pattern, input_string) or input_string.isdigit():
-        return False
-    else:
         return True
+    else:
+        return False
 
 # Define the function for mapping code
 def mapping_code(user_input):