Hi, not sure if I understand your requirement, but you can try:

Y not, chars star

Is this what you need?

Cheers Jan


On Sun, Aug 6, 2017, 04:47 Sean P. DeNigris <sean@clipperadams.com> wrote:
vonbecmann wrote
> did you try with negate?

That is the standard trick with PP, but the problem here is that I'm trying
to say, not just "anything which is not Y", but "any string of these
characters as long is it doesn't also match Y"



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Cheers,
Sean
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