The word character is used as an abstract term.
单词字符是作为一个抽象术语使用的。
Between a word character and a nonword character immediately after the word character.
在单词字符和非单词字符之间，紧跟在单词字符之后。
The character which when preceded by an escape character represents a non-word character.
前跟转义字符用于表示任意非单词字符的字符。
The character which when preceded by an escape character represents a non-word character.
前跟转义字符用于表示任意非单词字符的字符。
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