Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
3.8k views
in Technique[技术] by (71.8m points)

如何用正则表达式实现字符串反转

想要实现的效果:
aaaaabbbbbcccc -> ccccbbbbbaaaaa

希望可以通过正则表达式+replace的方式实现


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 Reply

0 votes
by (71.8m points)
var result = 'aaaaabbbbbcccc'.replace(/./g, (char, offset, str) => {
  return str[str.length - offset - 1];
})

console.log(result)

背景是啥,非要这么实现。换个方式不行?

[...'aaaaabbbbbcccc'].reverse().join('')

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…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...