文本限制輸入

<scrīpt>

     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)

     }

 </scrīpt>

 小寫英文：<xmp style= "display:inline">    </xmp>

 <input    onkeypress    = "return regInput(this,    /^[a-z]*$/,        String.fromCharCode(event.keyCode))"

         onpaste        = "return regInput(this,    /^[a-z]*$/,        window.clipboardData.getData('Text'))"

         ondrop        = "return regInput(this,    /^[a-z]*$/,        event.dataTransfer.getData('Text'))"

         style="ime-mode:Disabled"

 ><br>

 大寫英文：<xmp style= "display:inline">    </xmp>

 <input    onkeypress    = "return regInput(this,    /^[A-Z]*$/,        String.fromCharCode(event.keyCode))"

         onpaste        = "return regInput(this,    /^[A-Z]*$/,        window.clipboardData.getData('Text'))"

         ondrop        = "return regInput(this,    /^[A-Z]*$/,        event.dataTransfer.getData('Text'))"

         style="ime-mode:Disabled">

 <br>

 任意數字：<xmp style="display:inline">    </xmp>

 <input    onkeypress    = "return regInput(this,    /^[0-9]*$/,        String.fromCharCode(event.keyCode))"

         onpaste        = "return regInput(this,    /^[0-9]*$/,        window.clipboardData.getData('Text'))"

         ondrop        = "return regInput(this,    /^[0-9]*$/,        event.dataTransfer.getData('Text'))"

         style="ime-mode:Disabled"

 ><br>

 限2位小數：<xmp style="display:inline">    </xmp>

 <input    onkeypress    = "return regInput(this,    /^/d*/.?/d{0,2}$/,        String.fromCharCode(event.keyCode))"

         onpaste        = "return regInput(this,    /^/d*/.?/d{0,2}$/,        window.clipboardData.getData('Text'))"

         ondrop        = "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    onkeypress    = "return regInput(this,    /^/d{1,4}([-//](/d{1,2}([-//](/d{1,2})?)?)?)?$/,        String.fromCharCode(event.keyCode))"

         onpaste        = "return regInput(this,    /^/d{1,4}([-//](/d{1,2}([-//](/d{1,2})?)?)?)?$/,        window.clipboardData.getData('Text'))"

         ondrop        = "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    onkeypress    = "return regInput(this,    /^$/,                    String.fromCharCode(event.keyCode))"

         onpaste        = "return regInput(this,    /^[/u4E00-/u9FA5]*$/,    window.clipboardData.getData('Text'))"

         ondrop        = "return regInput(this,    /^[/u4E00-/u9FA5]*$/,    event.dataTransfer.getData('Text'))"

 ><br>

 部分英文：<xmp style="display:inline">    </xmp>

 <input    onkeypress    = "return regInput(this,    /^[a-e]*$/,        String.fromCharCode(event.keyCode))"

         onpaste        = "return regInput(this,    /^[a-e]*$/,        window.clipboardData.getData('Text'))"

         ondrop        = "return regInput(this,    /^[a-e]*$/,        event.dataTransfer.getData('Text'))"

         style="ime-mode:Disabled"

 > 範圍: a,b,c,d,e<br>

 部分中文：<xmp style="display:inline">    </xmp>

 <scrīpt language=javascrīpt>

 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, "")

 }

 </scrīpt>

 <input    οnkeypress="return false" οnkeydοwn="setTimeout('checkChinese('+this.value.length+','+this.uniqueID+')', 1)"

         onpaste        = "return regInput(this,    /^[一二三四五六七八九十]*$/,        window.clipboardData.getData('Text'))"

         ondrop        = "return regInput(this,    /^[一二三四五六七八九十]*$/,        event.dataTransfer.getData('Text'))"

 > 範圍: 一二三四五六七八九十<br>