OK, so what happens if you try and run the code - do you get errors or does it just behave in an unexpected way - if so can you give us an example of how it fails.

From looking at the comment in the code, it seems that there's a problem in the substitution - if so what happens if you leave off the /g at the end?

But today you took me walking, Through a land that we have lost,
While our children sit at websites, With no access to the cost