neat, right? and this is just the tip of the iceberg. there are so many more use cases where these operators shine, and i encourage you to play around with them in the web app and see what you can come up with. you can also see the resulting automaton for each regex, and how the different components contribute to the state machine (msagl helped me a lot here).
НАСА откроет стартовое окно Artemis II в апреле14:57
，这一点在体育直播中也有详细论述
Isolation and policy enforcement are integrated into the kernel’s，更多细节参见体育直播
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