Every regular expression is logically equivalent to a state machine, and the parser of every regular expression implements a state machine.

逻辑上，每个规则表达式都等价于一个状态机，而每个规则表达式的语法分析器都实现这个状态机。

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Every regular expression is logically equivalent to a state machine, and the parser of every regular expression implements a state machine.

逻辑上，每个规则表达式都等价于一个状态机，而每个规则表达式的语法分析器都实现这个状态机。

youdao