1、第一种写法:
var r="20112233".replace(/^(\d{4})(\d{2})(\d{2})$/, "$1-$2-$3")
2、第二种写法:
var dateString = ‘19930701‘; var pattern = /(\d{4})(\d{2})(\d{2})/; var formatedDate = dateString.replace(pattern, ‘$1-$2-$3‘);
原文地址:https://www.cnblogs.com/mentiantian/p/10333804.html
时间: 2024-11-13 10:01:41