Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Ask a Question
Welcome To Ask or Share your Answers For Others

Categories

js正则表达式replace记忆内匹配。

0 votes
3.6k views
in Technique[技术] by (71.8m points)

js正则表达式replace记忆内匹配。

image.png

为什么在""内非0的不能被匹配


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

一个正则表达式模式使用括号，将导致相应的子匹配被记住。但第二条正则的父匹配并没有被匹配上，所以也无相应的子匹配了


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

Just Browsing Browsing

2.1m questions

2.1m answers

60 comments

57.0k users

Most popular tags

Powered by Question2Answer
Donate
Theme by Q2A Market&&OStack.cn
...