postpost in postpost-0.1.1

- old
+ new

@@ -2,7 +2,6 @@
 # frozen_string_literal: true
 
 require 'postpost'
 
 text = Clipboard.paste
-Clipboard.copy(text.gsub(/\n\n/, "\n\n<hr />\n\n"))
-
+Clipboard.copy(text.gsub(%r{\n\n<hr />\n\n}, "\n\n").gsub(/\n\n/, "\n\n<hr />\n\n"))