如果没有别的要求了的话,这个应该可以了!
<script language="JavaScript">
<!--
function Check(name, id) /*----*/
{
var reName = /^[a-zA-Z_]+$/;
var reId = /^\d{6}$/;
var cName = reName.test(name);
var cId = reId.test(id);var s = cName && cId;
return s;
}
alert(Check("china_user", "123456"));
alert(Check("china_user", "12345"));
//-->
</script>
<script language="JavaScript">
<!--
function Check(name, id) /*----*/
{
var reName = /^[a-zA-Z_]+$/;
var reId = /^\d{6}$/;
var cName = reName.test(name);
var cId = reId.test(id);var s = cName && cId;
return s;
}
alert(Check("china_user", "123456"));
alert(Check("china_user", "12345"));
//-->
</script>
function check(name,id){
var reg_name=/^[a-z]+$/ig;
var reg_id=/^\d{6}$/;
return reg_name.test(name)&®_id.test(id);
}
alert(check("Username", "123451"));
alert(check("Case", "123451a1"));
</script>