var str= '2013-10-12 11:49:02';
var r= str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/);r为什么会是null;
麻烦帮我看看这正则表达式对嘛
var r= str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/);r为什么会是null;
麻烦帮我看看这正则表达式对嘛
用这个正则
<script type="text/javascript">
var str= '2013-10-12 11:49:02';
var a=str.match(/(\d){4}\-(\d){2}\-(\d){2}\s(\d){2}\:(\d){2}\:(\d){2}/);
console.log(a[0]);
</script>
var r= str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})\s+(\d{1,2}):(\d{1,2}):(\d{1,2})$/);