Another way to do this would be with split. 

my( $start, $middle, $end ) = split /((?:AB)+)/,$string ;

[download]

Much of a muchness in this case, but it does show the little used technique of using capturing brackets with split to retain the bits that would otherwise be discard, which is sometimes useful.

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong." -Richard Buckminster Fuller
If I understand your problem, I can solve it! Of course, the same can be said for you.

In reply to Re: Regex help by BrowserUk
in thread Regex help by gri6507

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