日期正则

function isValidDate(sText) {
        var reDate = /(?:0[1-9]|[12][0-9]|3[01])\/(?:0[1-9]|1[0-2])\/(?:19|20\d{2})/;
        return reDate.test(sText);
}
    function validate() {
        var oInput1 = document.getElementById("txt1");
        if (isValidDate(oInput1.value)) {
            alert("Valid");
        } else {
            alert("Invalid!");
        }
 
    }
日期正则

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