Rails 3: How to display properly text from “textarea”?

Question

In my Rails 3 application I use textarea to let users to write a new message in a forum.

However, when the message is displayed, all newlines look like spac

Answer 1

Since simple_format does not do what you want, I'd make a simple helper method to convert newlines to
s:

def nl2br(s)
  s.gsub(/\n/, '
')
end

Then in your view you can use it like this:

<%= nl2br(h(@forum_post.message)) %>