<input type="text"class="domain"onkeyup="this.value=this.value.replace(/[^u4e00-u9fa5w]/g,'')"; this.value=this.value.replace(/[^u4e00-u9fa5w]/g,'')
<input onkeyup="value=value.replace(/[^0-9]/g,'')" onpaste="value=value.replace(/[^0-9]/g,'')" oncontextmenu = "value=value.replace(/[^0-9]/g,'')">
<input onkeyup="value=value.replace(/[^\0-9\.]/g,'')" onpaste="value=value.replace(/[^\0-9\.]/g,'')" oncontextmenu = "value=value.replace(/[^\0-9\.]/g,'')">
<input onkeyup="value=value.replace(/[^\a-\z\A-\Z]/g,'')" onpaste="value=value.replace(/[^\a-\z\A-\Z]/g,'')" oncontextmenu = "value=value.replace(/[^\a-\z\A-\Z]/g,'')">
<input onkeyup="value=value.replace(/[^\a-\z\A-\Z0-9]/g,'')" onpaste="value=value.replace(/[^\a-\z\A-\Z0-9]/g,'')" oncontextmenu = "value=value.replace(/[^\a-\z\A-\Z0-9]/g,'')">
<input onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')" onpaste="value=value.replace(/[^\u4E00-\u9FA5]/g,'')" oncontextmenu = "value=value.replace(/[^\u4E00-\u9FA5]/g,'')">
<input onkeyup="value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5]/g,'')" onpaste="value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5]/g,'')" oncontextmenu = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5]/g,'')">
<input onkeyup="value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\ ]/g,'')" onpaste="value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\ ]/g,'')" oncontextmenu = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\ ]/g,'')">
<input onkeyup="value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\.]/g,'')" onpaste="value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\.]/g,'')" oncontextmenu = "value=value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\.]/g,'')">
//验证输入框内不能输入特殊字符,输入就立刻清除
function cleanSpelChar(th){
if(/["'<>%;)(&+]/.test(th.value)){
$(th).val(th.value.replace(/["'<>%;)(&+]/,""));
}
}
//验证输入框内不能输入特殊字符,输入前先作判断
function processSpelChar(){
var code; var character;
if(document.all){
code = window.event.keyCode;
}else{
code = arguments.callee.caller.arguments[0].which;
}
var character = String.fromCharCode(code);
var txt = new RegExp(/["'<>%;)(&+]/);
if(txt.test(character)){
if(document.all){
window.event.returnValue = false;
}else{
arguments.callee.caller.arguments[0].preventDefault();
}
}
}
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