<regex>: Fix word bounds \b and \B when applied to the empty string - #5375

<regex>: Fix word bounds \b and \B when applied to the empty string#5375

Stephan T. Lavavej (StephanTLavavej) merged 3 commits into

microsoft:mainmicrosoft/STL:mainfrom

muellerj2:regex-fix-word-bounds-on-empty-stringmuellerj2/STL:regex-fix-word-bounds-on-empty-stringCopy head branch name to clipboard