<Input v-model="relatedWords" type="textarea" placeholder="请输入" @input='verifyInput(formItem.relatedWords)'/>
verifyInput(v){
let _this=this;
let punctuation = /[`~!@#$%^&*_\-=<>?:"{}|.\/;'\\[\]·~！@#￥%……&——\-={}|《》？：“”【】、；‘’。、]/im;
let arr=v.split('')
let str=''
arr.map(i=>{
if(!punctuation.test(i)){
str+=i
}
})
str=str.replace(/（/g,'(')
str=str.replace(/）/g,')')
str=str.replace(/，/g,',')
this.$nextTick(j=>{
this.relatedWords=str
})
},
