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<html>
<title></title>
<script type="text/javascript">
window.onload = function(){
document.getElementById("test").onclick = function(){
var passwd = document.getElementById("passwd");
var value = passwd.value;
var reVal = /^\d{6}$/;
if(!reVal.test(value)){
alert("密码必须为六个数字!");
passwd.select();
passwd.focus();
return;
}
var i = 2;
while(i<value.length){
if(parseInt(value.substr(i,1)) - parseInt(value.substr(i-1,1)) != parseInt(value.substr(i-1,1)) - parseInt(value.substr(i-2,1))){
return;
}
i++;
}
alert("密码不能太简单!");
passwd.select();
passwd.focus();
return;
}
}
</script>
<head>
</head>
<body>
<input type="password" id="passwd" />
<input type="button" value="test password" id="test" />
</body>
</html>
function test(s) {
if (!/^\d{6}$/.test(s)) return false; // 不是6位数字
if (/^(\d)\1+$/.test(s)) return false; // 全一样
var str = s.replace(/\d/g, function($0, pos) {
return parseInt($0)-pos;
});
if (/^(\d)\1+$/.test(str)) return false; // 顺增
str = s.replace(/\d/g, function($0, pos) {
return parseInt($0)+pos;
});
if (/^(\d)\1+$/.test(str)) return false; // 顺减
return true;
}
alert(test("654321"))
<SCRIPT LANGUAGE="JavaScript">
<!--
function check(v){
if(/^[0-9]{6}$/.test(v)){
var prev=-1,r=0;
v.replace(/(\d{1})/g,function($,$1,i){
if(parseInt(prev)+1==$1)r++
prev=$1
})
if(r==v.length-1)alert('数字不能连续')
else alert('ok');
return;
}
alert('必需为数字!且长度为6');
}
//-->
</SCRIPT>
<input type="text" id="aaaa"/><input type="button" value="check" onclick="check(document.getElementById('aaaa').value)"/>
function test(s) {
if (!/^\d{6}$/.test(s)) return false; // 不是6位数字
if (/^(\d)\1+$/.test(s)) return false; // 全一样
var str = s.replace(/\d/g, function($0, pos) {
return parseInt($0)-pos;
});
if (/^(\d)\1+$/.test(str)) return false; // 顺增
str = s.replace(/\d/g, function($0, pos) {
return parseInt($0)+pos;
});
if (/^(\d)\1+$/.test(str)) return false; // 顺减
return true;
}
function check(str){
var f = parseInt(str.charAt(0));
return /\d{6}/.test(str) && (/^(\d)\1{5}$/.test(str) || str == str.replace(/\d/g, function(v, i){return f+i;}));
}
var str = "Z123456", str2 = "111111", str3="123457";
alert(check(str));
alert(check(str2));
alert(check(str3));
var r = new RegExp(/\d{6}/);
var s ='123456';
var a = s.match(/\d/g);
var is = false;
if(!r.test(s))
{
alert('格式错误!');
}else
{
for(var i=0,len=a.length-1;i<len;i++){
if(parseInt(a[i])+1!=a[i+1])
{
is = true;
break;
}
}
if(!is)
alert('不能连续!');
}