On Fri, 3 Apr 2015, I wrote:
> PCRE1 (pcregrep) needs a bit more thought because it does not pass back
> the start-of-match offset. I will have to find a different way of fixing
> pcregrep.
I have now fixed pcregrep and committed the patch to the repository.
This fix will be in the next release which should come out fairly soon.
Thank you for the report.