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Luo2mk

Luo2mk

V2EX 第 448337 号会员,加入于 2019-10-22 11:28:31 +08:00
Luo2mk 最近回复了
2019-11-13 17:13:24 +08:00
回复了 Luo2mk 创建的主题 Python 正则表达式求问
自己解决了:用逗号来界定分组的选取范围,然后(?!\1)来从没被分组 1 选中的范围中查找词组。如果有 别的场景就把界定范围的逗号替换掉即可
(法律|条例).*,(?!\1)(法律|条例)
可以匹配到的
aaaaaaaaaa 法律啊啊啊啊啊啊啊啊啊,aaaaaa 法律 aaaaaaaa,条例,
不能匹配到的
aaaaaaaaaa 法律啊啊啊啊啊啊啊啊啊,aaaaaa 法律 aaaaaaaa,法律,
2019-11-13 13:21:11 +08:00
回复了 Luo2mk 创建的主题 Python 正则表达式求问
@ClericPy 一个 string 如果能匹配到某一类规则内的两个关键字以上,就把这个 string 输出为某一类,用来给 string 分类的。
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