Commits on Apr 28, 2023

1. ⚡✅ Update all net-imap regexps to run in O(n) …

   The BIDI_FAILURE regexps all used `\g<name>` to define char classes and
   then re-use them.  Unfortunately, ruby 3.2 can't compile that to run in
   linear time.  The regexps could also be written using lookahead, but
   that also wouldn't run in linear time.
   
   The debug output gsub is simple to accomplish without negative lookahead
   by using a block with gsub and checking `$'.empty?`.
   
   `bin/check-regexps` was added for quick double-check, just in case the
   tests aren't catching everything.

   

   nevans committed Apr 28, 2023
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