El form special character verification

el-form Text box input special character verification , Except Chinese full stop , comma , Double quotes , parentheses , The colon , English full stop , comma , Double quotes , parentheses , Outside colon , All other special characters are forbidden to be input .

<el-form
  :rules="formrules"
  :model="Form"
>
 <el-form-item prop="content">
 	<el-input v-model="Form.content" type="textarea"></el-input>
 </el-form-item>
</el-form>

data() {
    
  let vaildateInput = (rule, value, callback) => {
    
	if(!this.checkSpecicalKey(value)) {
    
	  callback(new Error(" Can't contain special characters "))
	} else {
    
	  callback()
	}
  }
  return {
    
    //  Form validation rules 
	formRules:{
    
	  content: [
	  	{
     required: true, message: " Please enter no more than 200 character ", trigger: 'blur'},   //  Here the ternary operation fails .
	  	{
     validator: vaildateInput, trigger: ['blur','change']}   //  Here, ternary operation ok
	  ]
	}
  }
},

methods: {
    
  //  Special character check 
  checkSpecicalKey(str){
    
    //  The following special characters are disabled 
	let specialKey = "[`[email protected]#$^&*_-+=\/=|{}';'\\[||]<>/?·~！@#￥%&……*————{}——|《》‘’【】''、？]"
	for (let i = 0; i < str.length; i++) {
    
      if (specialKey.indexOf(str.substr(i,1)) != -1) {
    
        return false
      } 
    }
    return true
  }
}