Re: sed regex oddness

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On 5 May 2016 at 10:27, Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote:
> On Wed, 2016-05-04 at 16:24 -0700, Samuel Sieb wrote:
>> Oh, right.  I never use a regexp that can match nothing, so I missed
>> that. :-)
>
> You never use '*'?
>

I guess he meant "match *only* nothing", most of the time using *
you'll still use it in combination with a non-empty pattern. Easy to
miss that only [something]* can match nothing and therefore first
matches at the start of the line.


-- 
imalone
http://ibmalone.blogspot.co.uk
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