How JavaScript Sets the name entry is illegal

HTML code:

<tr> <th> input name:</th> <td><input type= ' text ' class= ' normal ' name= ' name ' pattern= ' required ' a lt= ' name ' id= "Checktext" onblur= "CheckName ()"/><label>* Special event name </label></td></tr>

Set the ID and onblur event onblur in the form: Occurs when the object loses focus.

JavaScript code:

function CheckName () {//Get form ID var cashname = document.getElementById ("Checktext"). Value; Regular match var result=cashname.match (/[' [email protected]#$%^&* () _+<>?: "{},.\/; ') [\]]         /IM);         if (result!=null) {document.getElementById ("Checktext"). value= ""; Alert ("Name cannot contain illegal characters!")      "); }        }

This article from "Kangjunfei" blog, declined reprint!

How JavaScript Sets the name entry is illegal