Unverified50% confidenceFactExact time
正则表达式的数学根基可追溯至 Stephen Kleene 于1956年提出的正则集合概念，并引入星号表示零次或多次重复
1
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50%
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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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