Re: regex [X-Z] with non-ascii char returns different results from (X|Y|Z)

Although this thread now might be offtopic, let me send a follow-up. By searching with C related terms, I found some articles about this issue.  It seems to be a common problem on regex + multibyte in C.  (e.g. https://stackoverflow.com/a/15895746 ) On Wed,

Re: regex [X-Z] with non-ascii char returns different results from (X|Y|Z)

Thank you for your reply. I confirmed that the issue is reproduced in C program.  https://pastebin.com/5NaCM45G Sorry for bothering you... ___ notmuch mailing list notmuch@notmuchmail.org https://notmuchmail.org/mailman/li

regex [X-Z] with non-ascii char returns different results from (X|Y|Z)

Some regular expression returns incorrect results if the pattern contains multibyte characters in square brackets. The following bracket expression matches subjects not starting with `[１-９]` and returns more results than the parenthesis expression. (Please note that digits are full width, uni