lookbehind
名词 n.
英文释义
名词 n.
-
The analysis of the preceding characters before the regular expression is matched.
— [There] are times when it's useful to be able to look to the left of the current position being considered to see what the past had to say about a particular pattern. That is the purpose of lookbehinds.
词形变化
词源
Deverbal from look behind.
0 次浏览
数据来源: Wiktionary