Dave Tyson <dty...@anduin.org.uk> writes:

>
> I have used sed to do do replacements fine, but I just want to locate
> some errant characters so I can see the context.
>

Two thing you can try on Grok 3:

— tell Grok to write a Perl script to your requirements
— upload your file to Grok and request what you are after

-- 
vl

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