instance method

CGI::Escape#unescapeElement

(::string string, *::String | ::Array[::String] elements) -> ::String

unescapeElement(string, *elements)

# File tmp/rubies/ruby-4.0.0/lib/cgi/escape.rb, line 217
def unescapeElement(string, *elements)
  elements = elements[0] if elements[0].kind_of?(Array)
  unless elements.empty?
    string.gsub(/&lt;\/?(?:#{elements.join("|")})\b(?>[^&]+|&(?![gl]t;)\w+;)*(?:&gt;)?/im) do
      unescapeHTML($&)
    end
  else
    string
  end
end

Undo escaping such as that done by CGI.escapeElement

Example

print CGI.unescapeElement(
        CGI.escapeHTML('<BR><A HREF="url"></A>'), "A", "IMG")
  # "&lt;BR&gt;<A HREF="url"></A>"

print CGI.unescapeElement(
        CGI.escapeHTML('<BR><A HREF="url"></A>'), ["A", "IMG"])
  # "&lt;BR&gt;<A HREF="url"></A>"

See also #unescape_element #unescape_html #unescape #unescapeHTML also in 4.1

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