摘要:
with open(file) as f: for line in f: for field in line.split(): print(filed) import re from collections import defaultdict valve = '''51.222.253.18 - 阅读全文
posted @ 2022-03-03 21:02
ascertain
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Named Capturing Groups: Backreferences: \number \1 匹配结果的第一个分组 \g<number> \g<1> 匹配结果的第一个分组, 避免歧义 \g<named_group> \g<valor> 匹配命名分组 valor (?P<valor>expre 阅读全文
posted @ 2022-03-03 10:39
ascertain
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Python: 当 \char 不构成转义序列时, \ 被作为普通字符, \1 \100 八进制转义序列 Javascript: Java: 阅读全文
posted @ 2022-03-03 10:08
ascertain
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