<input onkeyup="this.value=this.value.replace(/\D/g,'')" onafterpaste="this.value=this.value.replace(/\D/g,'')">
<input onkeyup="if(isNaN(value))execCommand('undo')" onafterpaste="if(isNaN(value))execCommand('undo')">
<input name=txt1 onchange="if(/\D/.test(this.value)){alert('只能输入数字');this.value='';}">
<input type=text t_value="" o_value="" onkeypress="if(!this.value.match(/^[\+\-]?\d*?\.?\d*?$/))this.value=this.t_value;else this.t_value=this.value;if(this.value.match(/^(?:[\+\-]?\d+(?:\.\d+)?)?$/))this.o_value=this.value" onkeyup="if(!this.value.match(/^[\+\-]?\d*?\.?\d*?$/))this.value=this.t_value;else this.t_value=this.value;if(this.value.match(/^(?:[\+\-]?\d+(?:\.\d+)?)?$/))this.o_value=this.value" onblur="if(!this.value.match(/^(?:[\+\-]?\d+(?:\.\d+)?|\.\d*?)?$/))this.value=this.o_value;else{if(this.value.match(/^\.\d+$/))this.value=0+this.value;if(this.value.match(/^\.$/))this.value=0;this.o_value=this.value}">
<input onkeyup="value=value.replace(/[\d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[\d]/g,''))" maxlength=10 name="Numbers">
<input onKeyPress="if((event.keyCode<48 || event.keyCode>57) && event.keyCode!=46 || /\.\d\d$/.test(value))event.returnValue=false">
<input onkeyup="value=value.replace(/[^/u4E00-/u9FA5]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/u4E00-/u9FA5]/g,''))">
<input onkeyup="value=value.replace(/[^/d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))">
<input onkeyup="value=value.replace(/[/W]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))">
<textarea rows=2 cols=20 name=comments onKeypress="if ((event.keyCode > 32 && event.keyCode < 48) || (event.keyCode > 57 && event.keyCode < 65) || (event.keyCode > 90 && event.keyCode < 97)) event.returnValue = false;">
onkeyup="value=value.replace(//s/g,'')" onkeydown="if(event.keyCode==32) return false"
onkeyup="value=value.replace(/[^/a-zA-Z/u4E00-/u9FA5]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/a-zA-Z/u4E00-/u9FA5]/g,''))"
<input name="text" type="text" id="NewPage" onKeyUp="value=value.replace(/\D/g,'')" onafterpaste="value=value.replace(/\D/g,'')" >
<input type="text" onkeyup="value=value.replace(/[^\a-\z\A-\Z]/g,'')"> <input type="text" onkeyup="value=value.replace(/[^a-zA-Z]/g,'')">
<input type="text" onkeyup="value=value.replace(/[^\a-\z\A-\Z]/g,'')" onkeydown="fncKeyStop(event)" onpaste="return false" oncontextmenu = "return false"/>
<input name="price" type="text" size="8" maxlength="8" onkeyup="value=value.replace(/[^\d\.]/g,'')" >
<input onKeypress="return (/[/d.]/.test(String.fromCharCode(event.keyCode)))" style="ime-mode:Disabled">
<script>
function check(){
if (isNaN(tt.value))
{alert("非法字符!");
tt.value="";}
}
</script>
<input type="text" name="tt" onkeyup="check();">
<script language=javascript>
function onlyNum()
{
if(!(event.keyCode==46)&&!(event.keyCode==8)&&!(event.keyCode==37)&&!(event.keyCode==39))
if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)))
event.returnValue=false;
}
</script><input onkeydown="onlyNum();" style="ime-mode:Disabled>
<input name="username" type="text" style="ime-mode:disabled"> <input name="username" type="text" onkeyup="value=value.replace(/[^/w/.//]/ig,'')">
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