一个过滤特殊字符的JS
2013-12-13 16:04
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<script
language="javascript">
function checkForms()
{
var iu, iuu, regArray=new Array("◎","■","●","№","↑","→","↓"+
"!","@","#","$","%","^","&","*","(",")","_","-","+","=","|","","[","]","?","~","`"+
"!","<",">","‰","→","←","↑","↓","¤","§","#","&","&","\","≡","≠"+
"≈","∈","∪","∏","∑","∧","∨","⊥","‖","‖","∠","⊙","≌","≌","√","∝","∞","∮"+
"∫","≯","≮",">","≥","≤","≠","±","+","÷","×","/","Ⅱ","Ⅰ","Ⅲ","Ⅳ","Ⅴ","Ⅵ","Ⅶ","Ⅷ","Ⅹ","Ⅻ","一","二"+
"╄","╅","╇","┻","┻","┇","┭","┷","┦","┣","┝","┤","┷","┷","┹","╉","╇","【","】"+
"三","四","五","六","七","八","九","十","①","②","③","④","⑤","⑥","⑦","⑧","⑨","⑩","┌","├","┬","┼","┍","┕","┗","┏","┅","—"+
"〖","〗","←","〓","☆","§","□","‰","◇","^","@","△","▲","#","℃","※",".","≈","¢");
iuu=regArray.length;
var obj=document.getElementById("username");
if(obj.value=="")
{
alert("用户名不能为空");
obj.focus();
return
false;
}
for(iu=1;iu<=iuu;iu++)
{
if(regArray[iu] !="")
{
if (obj.value.indexOf(regArray[iu])!=-1)
{
alert("注册名不可以包含:" + regArray[iu]);
document.Gforms.username.focus();
return
false;
}
}
}
return
true;
}
</script>
<form
method="post"
onSubmit="return checkForms();">
请输入用户名:<input
type="text"
name="username">
<input
type="submit"
name="Submit" value="提交">
</form>
language="javascript">
function checkForms()
{
var iu, iuu, regArray=new Array("◎","■","●","№","↑","→","↓"+
"!","@","#","$","%","^","&","*","(",")","_","-","+","=","|","","[","]","?","~","`"+
"!","<",">","‰","→","←","↑","↓","¤","§","#","&","&","\","≡","≠"+
"≈","∈","∪","∏","∑","∧","∨","⊥","‖","‖","∠","⊙","≌","≌","√","∝","∞","∮"+
"∫","≯","≮",">","≥","≤","≠","±","+","÷","×","/","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>
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