(?P…)
Similar to regular parentheses, but the substring matched by the group is accessible via the symbolic group name name. Group names must be valid Python identifiers, and each group name must be defined only once within a regular expression. A symbolic group is also a numbered group, just as if the group were not named.
正则表达式(?P<name>...)
正则表达式命名组
最新推荐文章于 2025-10-20 00:16:10 发布
本文介绍正则表达式中的命名组概念及其使用方法。命名组类似于常规括号组,但可通过符号名称访问匹配的子字符串。每个组名必须唯一且为有效的Python标识符。
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