I have the following finite automata. I would like to know its regular expression. I gave $01^*01^*(0 \lor 1)^* \lor 10^*10^*1(0 \lor 1)^*$, but it seems my answer is wrong. Can you tell me why?
2026-04-04 16:18:03.1775319483
$01^*01^*(0 \lor 1)^* \lor 10^*10^*1(0 \lor 1)^*$ is wrong
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It seems (almost) correct to me. I guess what you meant was $$01^*01^∗\color{red}{0}(0∨1)^∗∨10^∗10^∗1(0∨1)^∗$$