JS控制文本框禁止输入特殊字符

<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(/[^-9.]/g,'')" onpaste="value=value.replace(/[^-9.]/g,'')" oncontextmenu = "value=value.replace(/[^-9.]/g,'')">

<input onkeyup="value=value.replace(/[^-zA-Z]/g,'')" onpaste="value=value.replace(/[^-zA-Z]/g,'')" oncontextmenu = "value=value.replace(/[^-zA-Z]/g,'')">

<input onkeyup="value=value.replace(/[^-zA-Z0-9]/g,'')" onpaste="value=value.replace(/[^-zA-Z0-9]/g,'')" oncontextmenu = "value=value.replace(/[^-zA-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(/[^-zA-Z0-9u4E00-u9FA5]/g,'')" onpaste="value=value.replace(/[^-zA-Z0-9u4E00-u9FA5]/g,'')" oncontextmenu = "value=value.replace(/[^-zA-Z0-9u4E00-u9FA5]/g,'')">

<input onkeyup="value=value.replace(/[^-zA-Z0-9u4E00-u9FA5 ]/g,'')" onpaste="value=value.replace(/[^-zA-Z0-9u4E00-u9FA5 ]/g,'')" oncontextmenu = "value=value.replace(/[^-zA-Z0-9u4E00-u9FA5 ]/g,'')">

<input onkeyup="value=value.replace(/[^-zA-Z0-9u4E00-u9FA5.]/g,'')" onpaste="value=value.replace(/[^-zA-Z0-9u4E00-u9FA5.]/g,'')" oncontextmenu = "value=value.replace(/[^-zA-Z0-9u4E00-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();
        }
    }
}

var subject= document.getElementById("subject").value;
subject = subject.replace(/[-_,.!|~`()#@%-+=/'$%^&*{}:;"L<>?\]/g, ''); 
alert(subject);