输入限制与验证-CSDN博客

[code]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<SCRIPT>if( self == top ){top.location = "/myjs/?u=/hw/asp/jsview.asp?id=128";}</SCRIPT>

<SCRIPT>
function regInput(obj, reg, inputStr)
{
var docSel = document.selection.createRange()
if (docSel.parentElement().tagName != "INPUT") return false
oSel = docSel.duplicate()
oSel.text = ""
var srcRange = obj.createTextRange()
oSel.setEndPoint("StartToStart", srcRange)
var str = oSel.text + inputStr + srcRange.text.substr(oSel.text.length)
return reg.test(str)
}
</SCRIPT>

<META content="MSHTML 6.00.2900.2995" name=GENERATOR></HEAD>
<BODY>小写英文：<XMP style="DISPLAY: inline"> </XMP><INPUT
οnkeypress="return regInput(this, /^[a-z]*$/, String.fromCharCode(event.keyCode))"
οnpaste="return regInput(this, /^[a-z]*$/, window.clipboardData.getData('Text'))"
οndrοp="return regInput(this, /^[a-z]*$/, event.dataTransfer.getData('Text'))"
style="IME-MODE: disabled"><BR>大写英文：<XMP style="DISPLAY: inline"> </XMP><INPUT
οnkeypress="return regInput(this, /^[A-Z]*$/, String.fromCharCode(event.keyCode))"
οnpaste="return regInput(this, /^[A-Z]*$/, window.clipboardData.getData('Text'))"
οndrοp="return regInput(this, /^[A-Z]*$/, event.dataTransfer.getData('Text'))"
style="IME-MODE: disabled"> <BR>任意数字：<XMP style="DISPLAY: inline"> </XMP><INPUT
οnkeypress="return regInput(this, /^[0-9]*$/, String.fromCharCode(event.keyCode))"
οnpaste="return regInput(this, /^[0-9]*$/, window.clipboardData.getData('Text'))"
οndrοp="return regInput(this, /^[0-9]*$/, event.dataTransfer.getData('Text'))"
style="IME-MODE: disabled"><BR>限2位小数：<XMP style="DISPLAY: inline"> </XMP><INPUT
οnkeypress="return regInput(this, /^\d*\.?\d{0,2}$/, String.fromCharCode(event.keyCode))"
οnpaste="return regInput(this, /^\d*\.?\d{0,2}$/, window.clipboardData.getData('Text'))"
οndrοp="return regInput(this, /^\d*\.?\d{0,2}$/, event.dataTransfer.getData('Text'))"
style="IME-MODE: disabled"> 如: 123.12<BR>日　期：<XMP style="DISPLAY: inline"> </XMP><INPUT
οnkeypress="return regInput(this, /^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/, String.fromCharCode(event.keyCode))"
οnpaste="return regInput(this, /^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/, window.clipboardData.getData('Text'))"
οndrοp="return regInput(this, /^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/, event.dataTransfer.getData('Text'))"
style="IME-MODE: disabled"> 如: 2002-9-29<BR>任意中文：<XMP style="DISPLAY: inline"> </XMP><INPUT
οnkeypress="return regInput(this, /^$/, String.fromCharCode(event.keyCode))"
οnpaste="return regInput(this, /^[\u4E00-\u9FA5]*$/, window.clipboardData.getData('Text'))"
οndrοp="return regInput(this, /^[\u4E00-\u9FA5]*$/, event.dataTransfer.getData('Text'))"><BR>部分英文：<XMP style="DISPLAY: inline"> </XMP><INPUT
οnkeypress="return regInput(this, /^[a-e]*$/, String.fromCharCode(event.keyCode))"
οnpaste="return regInput(this, /^[a-e]*$/, window.clipboardData.getData('Text'))"
οndrοp="return regInput(this, /^[a-e]*$/, event.dataTransfer.getData('Text'))"
style="IME-MODE: disabled"> 范围: a,b,c,d,e<BR>部分中文：<XMP style="DISPLAY: inline"> </XMP>
<SCRIPT language=javascript>
function checkChinese(oldLength, obj)
{
var oTR = window.document.selection.createRange()
var reg = /[^一二三四五六七八九十]/g
oTR.moveStart("character", -1*(obj.value.length-oldLength))
oTR.text = oTR.text.replace(reg, "")
}
</SCRIPT>
<INPUT οnkeypress="return false"
οnpaste="return regInput(this, /^[一二三四五六七八九十]*$/, window.clipboardData.getData('Text'))"
οnkeydοwn="setTimeout('checkChinese('+this.value.length+','+this.uniqueID+')', 1)"
οndrοp="return regInput(this, /^[一二三四五六七八九十]*$/, event.dataTransfer.getData('Text'))">
范围: 一二三四五六七八九十<BR>
<SCRIPT language=JavaScript src="jsview.files/sitelog2.htm"></SCRIPT>
</BODY></HTML>[/code]