added switching to euro date formats instead of US

lib/validates_timeliness/formats.rb

@@ -1,4 +1,3 @@
-# TODO add support switching US to euro date formats
 module ValidatesTimeliness
   
   # A date and time format regular expression generator. Allows you to 
@@ -230,8 +229,8 @@ module ValidatesTimeliness
       
       # Adds new formats. Must specify format type and can specify a :before
       # option to nominate which format the new formats should be inserted in 
-      # front on to take higher precedence. Error is raise if format already 
-      # exists or if :before format is not found.
+      # front on to take higher precedence. 
+      # Error is raise if format already exists or if :before format is not found.
       def add_formats(type, *add_formats)
         formats = self.send("#{type}_formats")
         options = {}
@@ -248,6 +247,17 @@ module ValidatesTimeliness
         compile_format_expressions
       end
       
+      
+      # Removes formats where the 1 or 2 digit month comes first, to eliminate
+      # formats which are ambiguous with the European style of day then month. 
+      # The mmm token is ignored as its not ambigous.
+      def remove_us_formats
+        us_format_regexp = /\Am{1,2}[^m]/
+        date_formats.reject! { |format| us_format_regexp =~ format }
+        datetime_formats.reject! { |format| us_format_regexp =~ format }
+        compile_format_expressions
+      end
+      
       def full_hour(hour, meridian)
         hour = hour.to_i
         return hour if meridian.nil?