Regular expression for allow only numbers and symbols along with one number should be present

var str = "3452.345-345";      
var format =  /^(?=.*\d)[0-9\s\.\-\_\(\)\+]+$/;
            if(!format.test(str)){           
                        alert("Invalid input")               
            } else {
                 alert("Valid input")
            }   

Details

(?=.*\d)     :-   at least one digit should be present
[0-9\s\.\-\_\(\)\+] - given input should be 0 to 9 or symbols like (-_ . space +)