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From: | Paul Eggert |
Subject: | Re: regex documentation |
Date: | Wed, 11 May 2022 13:49:38 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 |
On 5/11/22 11:09, Reuben Thomas wrote:
Sorry, I don't follow. The concrete example given is: \Sw matches any character that is not word-constituent. That seems to be [^[:alnum:]]?
In glibc regex, \Sw matches a nonspace followed by a 'w'. That is, it is equivalent to [^[:space:]]w and it has a different meaning from the decommissioned GNU regex meaning.
I'm assuming that the goal of gnulib/doc/regex.texi is to document the regular expression syntax implemented by glibc, grep, etc. Does that match your assumption.
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