el-input-number与el-input限制 不能输入小数点

<el-input type="number" placeholder="请输入最小单位数量" v-model="COUNT"
          @input="handleChangePackCount"></el-input>

//不通输入小数点

const handleChangePackCount = (e) => {
  e = e.replace(/[^0-9]/g, '')
  console.log(e)
  COUNT.value = e
}

//只能输入2位小数

?const handleChangePackCount = (e) => {

e = .match(/^\d*(\.?\d{0,2})/g)[0] || ''

console.log(e)

COUNT.value = e

}