function isDatetime(date){ var regex=/^(?:19|20)[0-9][0-9]-(?:(?:0[1-9])|(?:1[0-2]))-(?:(?:[0-2][1-9])|(?:[1-3][0-1])) (?:(?:[0-2][0-3])|(?:[0-1][0-9])):[0-5][0-9]:[0-5][0-9]$/; if(!regex.test(date)){ alert("格式不正確!請輸入正確的時間格式,如:2010-07-07 09:12:00"); return false; } alert("格式正確!"); return true; }