var strng="中文的"
var strng1="中文的aa"
var strng2="111"
var strng3="aaas"
var strng4="111aaa"
function aaacheck(a) {
//var pat = /[^\x00-\xff]+/g; //这个是双字节的。就是说带标点符号。
var pat = /(^[\u4e00-\u9fa5]+$)|(^\d+$)|(^[a-z]+$)/gi; //这个好象带中文的。if(pat.test(a)){
alert("true")
}else{
alert("false")
}
//alert(pat.test(strng))
}
aaacheck(strng)
aaacheck(strng1)
aaacheck(strng2)
aaacheck(strng3)
aaacheck(strng4)
var strng1="中文的aa"
var strng2="111"
var strng3="aaas"
var strng4="111aaa"
function aaacheck(a) {
//var pat = /[^\x00-\xff]+/g; //这个是双字节的。就是说带标点符号。
var pat = /(^[\u4e00-\u9fa5]+$)|(^\d+$)|(^[a-z]+$)/gi; //这个好象带中文的。if(pat.test(a)){
alert("true")
}else{
alert("false")
}
//alert(pat.test(strng))
}
aaacheck(strng)
aaacheck(strng1)
aaacheck(strng2)
aaacheck(strng3)
aaacheck(strng4)
...
function checkInput(){
return (event.keyCode >= 48 && event.keyCode <= 57) || (event.keyCode >= 65 && event.keyCode <= 90) || (event.keyCode >= 97 && event.keyCode <= 122);
}就这个思路
<!--
do
{
CategoryName=prompt("请输入英文品名(最多15个字符):","");
}
while (!/^[\u4e00-\u9fa5\d\w]+$/.test(CategoryName) || CategoryName==null);
alert('OK');
//-->
</SCRIPT>
<!--
do
{
CategoryName=prompt("数字:","");
}
while (!/^\d+$/.test(CategoryName) || CategoryName==null);
alert('OK');
//-->
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
<!--
do
{
CategoryName=prompt("请输入英文品名(最多15个字符):","");
}
while (!(/^[a-zA-Z]+$/.test(CategoryName) && CategoryName.length<15) || CategoryName==null);
alert('OK');
//-->
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
<!--
do
{
CategoryName=prompt("中文:","");
}
while (!/^[\u4e00-\u9fa5]+$/.test(CategoryName) || CategoryName==null);
alert('OK');
//-->
</SCRIPT>