Re: how to double negation in regex

2015-12-25 10:16 GMT+03:00 Chump Ma <chumpma@gmail.com>:

For example,

[[:punct:]]

match punctuations, now I want to match punctuations but not '-', so I try

[^[^[:punct:]\]\-]

and

[^[:punct:]\-]\@!

but neither worked, can someone help?

​Use negative look-aheads or look-behinds (AFAIK first is faster):

    \%(-\@!​[[:punct:]]\)

(`\%(\)` is here so that you can work with this construct as one atom: in case you need to e.g. place `*` after it). And I do not see anything double in your request.

 

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