backreference造句
例句与造句
- 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。 - It's difficult to find backreference in a sentence. 用backreference造句挺难的
- 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。 - if a regular expression contains a backreference to an undefined group number, it is considered a parsing error
如果正则表达式包含对未定义的组成员的反向引用,则它被视作分析错误。 - if a group has not captured any substring, a backreference to that group is undefined and never matches
如果一个组尚未捕获任何子字符串,则对该组的反向引用是未定义的并且永远不匹配。 - a backreference refers to the most recent definition of a group the definition most immediately to the left, when matching left to right
反向引用引用组的最近的定义(当从左到右匹配时,最靠近左侧的定义)。 - and up are considered backreferences if there is a backreference corresponding to that number; otherwise, they are interpreted as octal codes unless the starting digits are 8 or 9, in which case they are treated as literal " 8 " and " 9 "
和更高位表达式在具有与该号码对应的反向引用时被视作反向引用;否则,它们会被解释为八进制代码(除非起始位是8或9,在这种情况下它们被视为原义的“8”和“9”)。