Look for patterns inside HTML, JS, CSS and AJAX code
This extension aims to help you to find bugs on your webpage. Also, it can show you any text you need to know.
It is useful when your webpage replaces tags such #LIST_OF_PRODUCTS#. There times that tags are hidden (for example in a link title, JS, CSS or AJAX code).
With Finding patterns you will find quickly all of them.
You can use your own regular expressions so you can find any pattern you need.