backreference中文是什么意思

千万人都在用的超大词汇词典翻译APP

Identifies either an octal escape value or a backreference
标识一个八进制转义码或反向引用。
Is a backreference followed by literal
是反向引用，后面跟有字符
Provides information on regular expression backreference modifiers
提供有关正则表达式反向引用修饰符的信息。
The backreference construct
反向引用构造
Is a backreference
是反向引用。
For similar functionality within regular expressions, use a backreference for example,
对于正则表达式中的类似功能，使用后向引用（如
Marks the next character as a special character, a literal, a backreference, or an octal escape
将下一字符标记为特殊字符、文本、反向引用或八进制转义符。
Are unambiguous and cannot be confused with backreferences . backreference behavior is slightly different when the
选项标志被启用时，反向引用行为将稍有不同。
Specifically, when a group makes multiple captures, a backreference refers to the most recent capture
具体地讲，就是当组建立多个捕获时，反向引用引用最近的捕获。
The following table lists optional parameters that add backreference modifiers to a regular expression
下表列出了用于将后向引用修饰符添加到正则表达式中的可选参数。