Removed Regexp from the asset pipeline

lib/ionicons-rails.rb

@@ -2,7 +2,7 @@ module Ionicons
   module Rails
     class Engine < ::Rails::Engine
       initializer "ionicons-rails.assets.precompile" do |app|
-        app.config.assets.precompile << %r(ionicons\.(?:eot|svg|ttf|woff)$)
+        app.config.assets.precompile +=  %w(ionicons.eof ionicons.svg ionicons.ttf ionicons.woff)
       end
     end
   end