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-$3');
1、第一种写法:
var r="20112233".replace(/^(d{4})(d{2})(d{2})$/, "$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');