#${^RE_DEBUG_FLAGS}

The current value of the regex debugging flags. Set to 0 for no debug output even when the re 'debug' module is loaded. See re for details.

This variable was added in Perl 5.10.

Perldoc Browser is maintained by Dan Book (DBOOK). Please contact him via the GitHub issue tracker or email regarding any issues with the site itself, search, or rendering of documentation.

The Perl documentation is maintained by the Perl 5 Porters in the development of Perl. Please contact them via the Perl issue tracker, the mailing list, or IRC to report any issues with the contents or format of the documentation.