js - TuPengXiong/TuPengXiong.github.io GitHub Wiki

输入框金额限制2位小数正则

            var reg = /^(\d{1,})([.]{0,1})(\d{0,3})$/;
            var money = $scope.cashmodel;
            if (money.match(reg) == null && money !== "") {
                $scope.cashmodel = "";
            } else if (money !== "") {
                if (money.indexOf(".") && money.length > money.indexOf(".") + 3) {
                    money = money.substring(0, money.indexOf(".") + 3);
                    $scope.cashmodel = money;
                }
            }