Hello everybody,Thanks once again for the interest in my problem. I have posted the details and source code that recreates (at least for me) the poor performance. I didn't know how to post the code to the forum, so I posted it to my blog instead (see post update):
http://jblewitt.com/blog/?p=462Again, if I'm doing something stupid in my code (which is possible) then I apologise in advance.
I'll take a look at the ctRegex as soon as I can. Regards, James