反向引用 meaning in English
backward referencing
Examples
- Provides information about how regular expression backreferencing is used to find repeating groups of characters
提供关于如何使用正则表达式反向引用来查找重复字符组的信息。 - 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） 。 - One of the simplest , most useful applications of backreferences provides the ability to locate the occurrence of two identical , adjacent words in text
反向引用的最简单的、最有用的应用之一，是提供查找文本中两个相同的相邻单词的匹配项的能力。