正则判断支付金额

var regs = /(^0*(\.0*)$)/;
var regs1 = /((^[1-9]\d*)|^0)(\.\d{0,2}){0,1}$/;
var regs2=/(\-)/;

if (payMoney == "" || payMoney == "0" || !regs1.test(payMoney) || regs2.test(payMoney)||regs.test(payMoney)) {
  alert("付款金额不能为空");
  payStatus();//激活输入框的禁用状态
  return false;
}

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转载自www.cnblogs.com/lvxisha/p/9921248.html