method

strip_tags

v1.0.0 - Show latest stable - 1 note - Class: ActionView::Helpers::TextHelper

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What's this?

strip_tags(html) public

Strips all HTML tags from the input, including comments. This uses the html-scanner tokenizer and so it’s HTML parsing ability is limited by that of html-scanner.

Returns the tag free text.

Show source

# File actionpack/lib/action_view/helpers/text_helper.rb, line 215
      def strip_tags(html)
        if html.index("<")
          text = ""
          tokenizer = HTML::Tokenizer.new(html)

          while token = tokenizer.next
            node = HTML::Node.parse(nil, 0, 0, token, false)
            # result is only the content of any Text nodes
            text << node.to_s if node.class == HTML::Text  
          end
          # strip any comments, and if they have a newline at the end (ie. line with
          # only a comment) strip that too
          text.gsub(/<!--(.*?)-->[\n]?/m, "") 
        else
          html # already plain text
        end 
      end

February 5, 2009

3 thanks

Replacement

In modern Rails, use http://apidock.com/rails/ActionView/Helpers/SanitizeHelper/strip_tags

strip_tags

Related methods

Replacement