lib/td/helpers.rb in td-0.10.74 vs lib/td/helpers.rb in td-0.10.75

@@ -1,8 +1,17 @@
 module TreasureData
   module Helpers
     module_function
 
+    def format_with_delimiter(number, delimiter = ',')
+      num = number.to_s
+      if formatted = num.gsub!(/(\d)(?=(?:\d{3})+(?!\d))/, "\\1#{delimiter}")
+        formatted
+      else
+        num
+      end
+    end
+
     def on_windows?
       RUBY_PLATFORM =~ /mswin32|mingw32/
     end
   end
 end