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
4.6k views
in Technique[技术] by (71.8m points)

js验证问题

        e.target.value = ((e.target.value).match(/^d*(.?d{0,2})/g)[0]) || null

输入框输入的时候,只能输入正数,最多保留两位小数,这个已经实现了,就是输入00001和0000.1还有问题,怎么去掉多余的0### 问题描述


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)
const regExp = /^(?!0d)d+(.d{1,2})?$/;

// TEST
regExp.test('00') // false
regExp.test('00001') // false
regExp.test('01.23') // false
regExp.test('1.') // false

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

...