正则限制input负数输入

//直接在input标签内加入下面两个事件处理程序即可 οnkeyup="this.value=this.value.replace(/\D|^0/g,'')" onafterpaste="this.value=this.value.replace(/\D|^0/g,'')"

 

转载于:https://www.cnblogs.com/angle-xiu/p/11390044.html