
function test(){
if (document.sub.uname.value.length<4){
alert("姓名最小长度为4!");
document.sub.uname.select();
return false;
}
if(/[^A-Za-z0-9_]/.exec(document.sub.uname.value)!=null)
{
alert("姓名只能由数字、字母、下划线组成!");
document.sub.uname.select();
return false;
}
if (/[\s]/.exec(document.sub.upsw.value)!=null) {
alert("密码不能含有空白字符!");
document.sub.upsw.focus();
return false;
}
if (document.sub.upsw.value.length <4) {
alert("密码最小长度为4!");
document.sub.upsw.focus();
return false;
}
if (document.sub.upswd.value.length == 0) {
alert("请输入您的确认密码!");
document.sub.upswd.focus();
return false;
}
if (document.sub.upswd.value!=document.sub.upsw.value ) {
alert("您的密码与确认密码不匹配请从新输入!");
document.sub.upswd.focus();
return false;
}
if(document.sub.uemail.value.length !=0){
if(/@/.exec(document.sub.uemail.value)==null){
alert("请注意E-Mail的正确形式!");
document.sub.uemail.select();
return false;
}
}
if (isNaN(document.sub.uqq.value)){
alert("QQ需为数字形式!");
document.sub.uqq.select();
return false;
}
return true;
}
</script>
