JS控制文本框输入限制：特殊字符、数字与中英文过滤方案

<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();    
 }   
} 
}