Thank you for your suggestions. I've tried them all with no result, 
changed something in the template - and voilą everything worked. The 
Smarty-cache has tricked me again :-( What a great feature and what a 
great source of frustration!

Thank you all for trying to help me. The function I posted works as I 
thought.

Gabriel

> Silly question, but have you checked the code outside Smarty? Eg: if 
> there
> were no matches being found based on your regexp, then the callback 
> wouldn't
> be called, so have you tested the same functions with known search 
> text?
>
> What happens if you subsitute the preg_replace_callback with 
> preg_replace?
> (As it stands you should get your email addresses changed to the text
> "escape_mail"; if it doesn't either your regexp is wrong (looks ok to 
> me) or
> the input text doesn't look the way you thought it did.
>
> Sorry if I'm teaching you to suck eggs here...
>
> -- 
> Mark Rogers,
> More Solutions Ltd
>
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>

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