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instance method

CGI::Util#unescapeElement

unescapeElement(string, *elements)

# File tmp/rubies/ruby-3.1.3/lib/cgi/util.rb, line 198
def unescapeElement(string, *elements)
  elements = elements[0] if elements[0].kind_of?(Array)
  unless elements.empty?
    string.gsub(/&lt;\/?(?:#{elements.join("|")})(?!\w)(?:.|\n)*?&gt;/i) 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 3.4 · 3.3 · 3.2 · 3.0

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