A regular expression object contains the pattern of a regular expression.
核心对象一个正则表达式对象包含了匹配模式。
The regular expression itself is compiled into a Pattern object.
将正则表达式本身编译到Pattern对象中。
This pattern object represents the regular expression that is defined in text format.
该模式对象代表以文本格式定义的正则表达式。
This pattern object represents the regular expression that is defined in text format.
该模式对象代表以文本格式定义的正则表达式。
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