let str = '12345678'.replace('1234', 'aaaa')
// str 为 'aaaa-56-78'
let str = '12345678'.replace(/(\d{4})(\d{2})(\d{2})/, '$1-$2-$3')
// str 为 '1234-56-78'
let str = '12345678'.replace('1234', 'aaaa')
// str 为 'aaaa-56-78'
let str = '12345678'.replace(/(\d{4})(\d{2})(\d{2})/, '$1-$2-$3')
// str 为 '1234-56-78'
本文标题:替换
本文链接:https://www.haomeiwen.com/subject/wjksidtx.html
网友评论