Is this doable with v4.x irules?

I've run this by F5 support, and they said that it's doable in v9.x but weren't sure about v4.x.

 

Here's an excerpt from our developers and what they want done:

 

 

As you know, the main simplified structure of an HTML (web) page looks like this:

 

 

 

 

(header content, like title, style sheet references, JavaScript references etc.)

 

 

 

(Your actual Web Page content)

 

 

 

 

Now what the BigIP machine needs to do is:

 

Replace with Replace with

 

 

So your new page will look like this:

 

 

 

 

(header content, like title, style sheet references, JavaScript references etc.)