vue中input框禁止輸入標籤

<input type="search" placeholder="請輸入內容" v-model="addTypeVal" :maxlength="5">
<script>
    export default{
         watch:{
            addTypeVal(val){
                let reg = /[^\u0020-\u007E\u00A0-\u00BE\u2E80-\uA4CF\uF900-\uFAFF\uFE30-\uFE4F\uFF00-\uFFEF\u0080-\u009F\u2000-\u201f\u2026\u2022\u20ac\r\n]/g;
                if(val.match(reg)) {
                   this.addTypeVal = val.replace(reg, '');
                }
            }
        },
    }
</script>