Any -complete- examples for the replace function?

Hi all.

Does anyone have a *complete* example on how to properly use the str:replace function? I've tried the sample given at http://lists.fourthought.com/pipermail/exslt/2001-November/000362.html but that's really more of a fragment; I'd like to see a complete example (specifically using node sets) so that I can:

1. confirm that I'm loading the extension in properly
2. confirm if the processor I use is capable of handling it 
3. verify if I'm using it properly

I'm pulling my hair out at this point and it's infuriating to see it work under some conditions but not others, and not have any complete examples to work up from.

Thanks!
Sebastien


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