文本框中输入固定位数的字符串（字母+数字）后加逗号，求大侠帮助~

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
 
    <title>test</title>
    <script type="text/javascript">
        window.onload =function() {
            document.getElementById("test").onkeyup =function() {
                this.value =this.value.replace(/\s/g,' ').replace(/([0-9a-zA-Z]{10})(?=\d)/g,"$1 ");;
            };
        };
    </script>
</head>
<body>
    <input type="text" id="test"/>
</body>
</html> 

解决方案 »

  1.   

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
     
        <title>test</title>
        <script type="text/javascript">
            window.onload =function() {
                document.getElementById("test").onkeyup =function() {
                    this.value =this.value.replace(/\s/g,' ').replace(/([0-9a-zA-Z]{10})(?=\d)/g,"$1,");;
                };
            };
        </script>
    </head>
    <body>
        <input type="text" id="test"/>
    </body>
    </html> 
      

  2.   


    window.onload =function() {
    document.getElementById("test").onkeyup =function() {
    this.value =this.value.replace(/[^0-9a-zA-Z]/g,'').replace(/(.{10})(?=.)/g,"$1,");
    };
    };