El input limit can only input the specified number

1. el-input Limit can only enter positive integers

 oninput="value=value.replace(/^(0+)|[^\d]+/g,'')"

Replacement code added to el-input in

<el-input
  style="width:80px;"
  @change="update(item)"
  oninput="value=value.replace(/^(0+)|[^\d]+/g,'')"
  v-model="item.quantity"
  placeholder=" Please enter the purchase quantity "
></el-input>

2. el-input Only positive numbers and two decimal places can be entered

oninput="value= value.match(/\d+(\.\d{0,2})?/) ? value.match(/\d+(\.\d{0,2})?/)[0] : ''"

Replacement code added to el-input in

<el-input
  style="width:80px;"
  oninput="value= value.match(/\d+(\.\d{0,2})?/) ? value.match(/\d+(\.\d{0,2})?/)[0] : ''"
  @change="update(item)"
  v-model="item.freight"
  placeholder=" Please enter the freight "
></el-input>