How to remove backslashes in string generated through .to_json function. Rails 3.2

It's much better to use as_json instead. Provides the json without backslashes.

For reference, http://api.rubyonrails.org/classes/ActiveModel/Serializers/JSON.html

You can just gsub! to replace the \" with a single quote ', like so:

a.gsub!(/\"/, '\'')