trying to remove the shortcode tags

temp.rb

#!/bin/env ruby
# encoding: utf-8

  text = <<-eos
  blablablablabla<p>[caption id="attachment_7055" align="alignleft" width="205"]<a href="http://tenina.com/wp-content/uploads/2013/03/Bunny-with-eggs.jpg"><img class="size-medium wp-image-7055" alt="Little egg garden…hop a long bunny!" src="http://tenina.com/wp-content/uploads/2013/03/Bunny-with-eggs-205x300.jpg" width="205" height="300" /></a> Little egg garden…hop a long bunny![/caption]</p>blablablablabla
eos

  newcaptionregex = Regexp.new('\[(\w*?)(.*?)\](.*?<word>)\[\/\1\]')
  text.gsub!(newcaptionregex, "\\3")

  puts text