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📜  正则表达式单词的开头和结尾 - 任何代码示例

📅  最后修改于: 2022-03-11 14:56:40.609000             🧑  作者: Mango

代码示例1
The metacharacter \b is an anchor like the caret and the dollar sign. 
It matches at a position that is called a “word boundary”. This match is zero-length.