On Wed, 31 Aug 2022 11:13:57 -0500, Paul Gilmartin <paulgboul...@aol.com> wrote:
>>In any case, "[^abc]" does not match "wombat". It matches only a single
>>character of a string. So, it might match the "w" in "wombat", or the "o", or
>>the "m", or the "t", depending on other details of the input string being
>>processed, and the application doing the processing.
>>
>Absent an anchor ("^" and/or "$") a pattern can be matched anywhere in a
>subject.
Good point. Thanks.
>
>>I agree with your comment (which I omitted from my quote) that the DFSORT
>>books should not try to explain reg-ex processing, unless they have written
>>their own processor instead of reusing someone else's.
>>
>+1
>But it might be proper to emphasize any difference between DFSORT's use of
>reg-ex and traditional beliefs.
But, whose "tradition"? PERL, PCRE, Python, Boost, ...
Does the DFSORT documentation name a standard that they've implemented?
--
Walt
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