How to prohibit the input of facial expressions in the mobile h5 textarea tag

how the h5 textarea tag on mobile forbids the input of facial expressions. I use vue,
this.value.replace (/ uD83C [uDF00-uDFFF] | uD83D [uDC00-uDE4F] / gdagint")
this method is also not good for
help

.
Jun.15,2021

< input type=text v value2 model = "value2" >
data () {

return {
  value1: "10"
};

},
computed: {

value2: {
  get() {
    var  value = this.value1.replace(/[^\d]+/g, '');
    if(value<=0){
      return 0
    }else if(value>=100){
      return 100
    }else{
      return value
    }
  },
  set(val) {
    this.value1 = val;
  }
}

},
this is the time limit I answered before. Input only enters 0-100 numbers, but it feels like if you know the expression field, you only need to replace the regular. You can try

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