(?= # start lookahead
( # start capturing group #1
(?: # start non-capturing group
A\d+\s+ # match A followed by 1 or more digit followed by 1 or more whitespace
) # end non-capturing group
+B\. # match B and literal DOT
) # end capture group #1
) # end lookahead
您可以对此使用lookahead并捕获lookahead中的值:
RegEx Demo
正则表达式描述:
代码:
相关问题 更多 >
编程相关推荐