Massive Replacer lets you replace a string determined by a different.
Go to Massive Replacer option in the WordPress admin panel. Next you will see an a form with 2 textarea. In the first textarea you must write the strings to replace. You can do meny replacement. Write "]]||[[" between each string and the plugin will think that they're different strings.
In the second textarea you must write the strings that you want to appear. You can do the same that in the first textarea.
Plase, visit the plugin page, at http://blog-sumolari.sumolari.com.