JS正则 Demo

[java]代码库

//定义数组  REresult[0]:true or false     REresult[1]:message
var REresult = new Array(2);
// 邮箱格式检查
function REemailCheck(email) {
    if (email != "") {
        var re = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/;
        var result = re.test(email);
        if (result) {
            myArray[0]=true;
            myArray[1]="格式正确";
        } else {
            myArray[0]="false";
            myArray[1]="邮箱格式错误！";
        }
    } else {
        myArray[0]="false";
        myArray[1]="请填写邮箱！";
    }
    return myArray;
}
 
//检查密码格式 6-22位密码
function REcheckPassword(password) {
    if(password !=""){
        var re = /^[\@A-Za-z0-9\!\#\$\%\^\&\*\.\~]{6,22}$/;
        var result = re.test(password);
        document.getElementById('passwordDiv').style.visibility = "visible";
        if (result) {
            myArray[0]=true;
            myArray[1]="格式正确";
        } else {
            myArray[0]=true;
            myArray[1]="密码长度为6-22位！";
        }
    } else {
        myArray[0]="false";
        myArray[1]="请填写密码！";
    }
    return myArray;
}