i haven’t found an implementation of the first one. the second targets javascript and should be available in node/chromium at some point. running /(a+)*b$/.test("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaba") in my browser console still makes the fans spin for 10 seconds, so i’m fairly sure it hasn’t shipped yet. without implementations and benchmarks to compare against, i can only comment on the theoretical differences.
黎智英欺詐案上訴得直：定罪及刑罰被撤銷，出獄時間提前
，这一点在下载安装汽水音乐中也有详细论述
Елена Торубарова (Редактор отдела «Россия»)
But… how do we listen for these rebroadcasted events? Can we do it without linking in libudev? What IPC mechanisms are actually in use here? It turns out that udev and libudev have long since been folded into systemd while I wasn't looking. We're going to have to dive into the code and have a look.