一个过滤特殊字符的JS

约定不等于承诺〃 2022-01-05 20:49 261阅读 0赞

<script language="javascript">
    function checkForms()
    {
       var iu, iuu, regArray=new Array("◎","■","●","№","↑","→","↓"+
       "!","@","#","$","%","^","&","*","(",")","_","-","+","=","|","","[","]","？","~","`"+
       "!","<",">","‰","→","←","↑","↓","¤","§","＃","＆","＆","＼","≡","≠"+
       "≈","∈","∪","∏","∑","∧","∨","⊥","‖","‖","∠","⊙","≌","≌","√","∝","∞","∮"+
       "∫","≯","≮","＞","≥","≤","≠","±","＋","÷","×","/","Ⅱ","Ⅰ","Ⅲ","Ⅳ","Ⅴ","Ⅵ","Ⅶ","Ⅷ","Ⅹ","Ⅻ","一","二"+
       "╄","╅","╇","┻","┻","┇","┭","┷","┦","┣","┝","┤","┷","┷","┹","╉","╇","【","】"+
       "三","四","五","六","七","八","九","十","①","②","③","④","⑤","⑥","⑦","⑧","⑨","⑩","┌","├","┬","┼","┍","┕","┗","┏","┅","—"+
       "〖","〗","←","〓","☆","§","□","‰","◇","＾","＠","△","▲","＃","℃","※",".","≈","￠");
       iuu=regArray.length;
       var obj=document.getElementById("username");
       if(obj.value=="")
       {
         alert("用户名不能为空");
          obj.focus();
          return false;
       }
       for(iu=1;iu<=iuu;iu++)
       {  
          if(regArray[iu] !="")
           {
              if (obj.value.indexOf(regArray[iu])!=-1)
               {
                 alert("注册名不可以包含：" + regArray[iu]);
                 document.Gforms.username.focus();
                 return false;
              }
            }
       }
       return true;             
    }
    </script>

<form method="post" onSubmit="return checkForms();">
    
            
    
    请输入用户名:<input type="text" name="username">
    
    <input type="submit" name="Submit" value="提交">
    
    </form>

![123.jpg][]

转载于:https://www.cnblogs.com/Codenewbie/p/3642043.html

[123.jpg]: /images/20211228/f10f2eb073384833b9a9cbf9f32e6f05.png

发表评论取消回复

表情：

评论列表（有 0 条评论，261人围观）

还没有评论，来说两句吧...

相关阅读

相关 java 过滤url特殊字符,java处理url中的特殊字符

java处理url中的特殊字符(如&,%...) URL(Uniform Resoure Locator，统一资源定位器)是Internet中对资源进行统一定位和管理的标志。

约定不等于承诺〃/ 2023年01月15日 14:30/ 0 赞/ 372 阅读

相关 java过滤_java 过滤特殊字符的办法

编写过滤方法，方法的代码如下： public static String encoding(String src) \{ if (src == null) return

àì夳堔傛蜴生んèń/ 2022年11月01日 13:41/ 0 赞/ 303 阅读

相关 Js 正则表达式过滤特殊字符、表情

let ret = "12312ffds￥@￥%^&(())))).`@%@￥@￥", val = this.customDeviceName; //特殊字符过

Dear 丶/ 2022年10月05日 09:56/ 0 赞/ 523 阅读

相关过滤特殊字符

//过滤特殊字符 public static String encoding(String src)\{ if (src==null)

超、凢脫俗/ 2022年08月27日 11:59/ 0 赞/ 203 阅读

相关 js特殊字符转义

html标签id属性中包含“ \[ ” 、“ \] ”等特殊字符，Jquery选择器无法获取到指定对象，需要对特殊字符进行转义。 //转义字符 func

小灰灰/ 2022年07月12日 18:39/ 0 赞/ 294 阅读

相关 JS转义特殊字符

![70][] ![70 1][] [70]: /images/20220527/9cd820383ad74cea9c0f7d2f7b7a3100.png

﹏ヽ暗。殇╰゛Y/ 2022年05月27日 02:58/ 0 赞/ 320 阅读

相关特殊空白字符无法过滤

问题说明通过正则（\\s）匹配空白字符并分隔字符串，发现一个貌似空格的特殊空白字符无法匹配到。解决开启编辑器show whitespaces 时

阳光穿透心脏的1/2处/ 2022年03月16日 06:22/ 0 赞/ 233 阅读

相关过滤字符串中的特殊字符

public static String format(String s){ String str=s.replaceAll("[`~!@$%^&()+

àì夳堔傛蜴生んèń/ 2022年02月05日 08:09/ 0 赞/ 366 阅读

相关一个过滤特殊字符的JS

<script language="javascript"> function checkForms() { var iu, iuu, r

约定不等于承诺〃/ 2022年01月05日 20:49/ 0 赞/ 262 阅读

相关 JS 判断特殊字符

var orderCode=$("orderCode").val(); var scheduledProducedUnits=$("schedul

╰半橙微兮°/ 2021年10月08日 05:48/ 0 赞/ 445 阅读