只能输入中文:
<SCRIPT>
function onlychinese()
{
if ((window.event.keyCode >=32) && (window.event.keyCode <= 126))
{
window.event.keyCode = 0 ;
}
}
</script>
调用:<input onkeypress="onlychinese() " >
<SCRIPT>
function onlychinese()
{
if ((window.event.keyCode >=32) && (window.event.keyCode <= 126))
{
window.event.keyCode = 0 ;
}
}
</script>
调用:<input onkeypress="onlychinese() " >
2./([a-zA-Z0-9]|[\x81-\xfe][\x40-\xfe])+/
/[\w\-]+/或者/[A-Za-z0-9_-]+/'
只能是 数字,字母,中文 怎么写
2./([a-zA-Z0-9]|[\x81-\xfe][\x40-\xfe])+/
{
var str = "1-@#";
var result;
result = /[\w\-]+/.test(str);
alert(result);
}
无论str="1"或者str="1-@#$",返回的结果都是true,是不是我用错了,希望高手帮忙帮到底,怎么写方法判断?
{
var str = "1-@#";
var result;
result = /^[\w\-]+$/.test(str);
alert(result);
}
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<FORM METHOD=POST ACTION="">
<INPUT TYPE="text" NAME="txt">
<INPUT TYPE="button" name="test1" value="测试1" onclick="return check('en');">
<INPUT TYPE="button" name="test2" value="测试2" onclick="return check('cn');">
</FORM>
</BODY>
</HTML>
<SCRIPT LANGUAGE="JavaScript">
<!--
function check(mode)
{
var txt = document.forms[0].elements['txt'].value;
switch(mode)
{
case "en":
var reg =/[A-Za-z0-9_]+$/;
if(!reg.test(txt))
{ alert("只能是 数字,字母,下划线");
return false;
}
else
{
alert("aaa"); }
break;
case "cn":
var reg =/(([a-zA-Z0-9])|([\u4e00-\u9fa5]))+$/;
if(!reg.test(txt))
{ alert("只能是 数字,字母,中文");
return false;
}
else
{
alert("bbb"); }
break;
default:
break; }
}
//-->
</SCRIPT>
function test()
{
var str = "1-@#";
var result;
result = /^[\w\-]+$/.test(str);
alert(result);
}
打开Sybase Central-->选择Sybase SQL Anywhere下的utilities-->双击右边的Create Database