<P><script>
function regInput(reg)
{
var srcElem = event.srcElement
var oSel = document.selection.createRange()
var srcRange = srcElem.createTextRange()
oSel.setEndPoint("StartToStart", srcRange)
var num = oSel.text + String.fromCharCode(event.keyCode) + srcRange.text.substr(oSel.text.length)
event.returnValue = reg.test(num)
}
</script></P>
<P>小写英文：<xmp style="display:inline"> </xmp><input id=test onkeypress="regInput(/^[a-z]*$/)" style="ime-mode:Disabled">
大写英文：<xmp style="display:inline"> </xmp><input id=test onkeypress="regInput(/^[A-Z]*$/)" style="ime-mode:Disabled">
任意数字：<xmp style="display:inline"> </xmp><input id=test onkeypress="regInput(/^[0-9]*$/)" style="ime-mode:Disabled">
限2位小数：<xmp style="display:inline"> </xmp><input id=test onkeypress="regInput(/^\d*\.?\d{0,2}$/)" style="ime-mode:Disabled"> 如: 123.12
日 期：<xmp style="display:inline"> </xmp><input id=test onkeypress="regInput(/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/)" style="ime-mode:Disabled"> 如: 2002-9-29
任意中文：<xmp style="display:inline"> </xmp><input onkeypress="regInput(/^$/)">
部分英文：<xmp style="display:inline"> </xmp><input onkeypress="regInput(/^[a-e]*$/i)" style="ime-mode:Disabled"> 范围: a,b,c,d,e
部分中文：<xmp style="display:inline"> </xmp>
<script language=javascript>
function checkChinese(oldLength, obj)
{
var oTR = window.document.selection.createRange()
oTR.moveStart("character", -1*(obj.value.length-oldLength))
oTR.text = oTR.text.replace(/[^一二三四五六七八九十]/g, "")
}
</script>
<input onkeypress="return false" onkeydown="setTimeout('checkChinese('+this.value.length+','+this.uniqueID+')', 1)"> 范围: 一二三四五六七八九十
</P>
<P> </P>
