https://issues.dlang.org/show_bug.cgi?id=21716
--- Comment #5 from Dlang Bot <dlang-bot@dlang.rocks> --- dlang/phobos pull request #8012 "merge stable" was merged into master: - 97a78186ad2fdc24e37325863647eb1db04ad421 by Jon Degenhardt: Fix issue 21716: std.regex performance regression. https://github.com/dlang/phobos/pull/8012 --