21.02.25, 18:12 +0100, Mike Wright:

> Reading an article about a fedora kernel vulnerability regression and 
> found this PCRE expression
> 
>    '(<= )\w+'  <--- mistake
> 
>    '(?<= )\w+' <--- actual expression
> 
> I got the "one or more words" part but what is the meaning of the part 
> inside the parens?

In the man page for pcrepattern(3) search for "Lookbehind assertions".

-- 
Regards
  mks

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