Unverified50% confidenceFactExact time
每条正则表达式都可转换为 NFA 再确定化为 DFA 执行匹配，这解释了正则表达式无法匹配嵌套括号等上下文相关结构
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Python Learning Roadmap for Beginners: A Three-Stage System to Avoid 90% of Detours
bilibiliPython系统学习教程7/7/2026
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