On Wed, 8 Oct 2008 12:09:02 -0700, Lazzaroni
wrote:

Ron:

Too bad it doesn't use the .NET flavor, which is much more robust.

Thanks.

I'm not sure exactly what you want to do, but

"<test|(^|[^<])test(?!)"

might match what you wrote for a specific string, so long as it doesn't include
embedded delimiters.

--ron