Only use regex internal reg_cache when in main ractor
Using this reg_cache is racy across ractors, so don't use it when in a
ractor. Also, its use across ractors can cause a regular expression created
in 1 ractor to be used in another ractor (an isolation bug).
Only use regex internal reg_cache when in main ractor
Using this
reg_cacheis racy across ractors, so don't use it when in aractor. Also, its use across ractors can cause a regular expression created
in 1 ractor to be used in another ractor (an isolation bug).