class HTML::Text

def match(conditions)

otherwise. See the discussion of #find for the valid conditions.
Returns non-+nil+ if this node meets the given conditions, or +nil+ 
def match(conditions)
  case conditions
    when String
      @content == conditions
    when Regexp
      @content =~ conditions
    when Hash
      conditions = validate_conditions(conditions)
      # Text nodes only have :content, :parent, :ancestor
      unless (conditions.keys - [:content, :parent, :ancestor]).empty?
        return false
      end
      match(conditions[:content])
    else
      nil
  end
end