element-plus/docs/examples/message-box/prompt.vue

<template>
  <el-button type="text" @click="open">Click to open Message Box</el-button>
</template>

<script lang="ts">
import { defineComponent } from 'vue'
import { ElMessageBox, ElMessage } from 'element-plus'

export default defineComponent({
  setup() {
    const open = () => {
      ElMessageBox.prompt('Please input your e-mail', 'Tip', {
        confirmButtonText: 'OK',
        cancelButtonText: 'Cancel',
        inputPattern:
          /[\w!#$%&'*+/=?^_`{|}~-]+(?:\.[\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\w](?:[\w-]*[\w])?\.)+[\w](?:[\w-]*[\w])?/,
        inputErrorMessage: 'Invalid Email',
      })
        .then(({ value }) => {
          ElMessage({
            type: 'success',
            message: `Your email is:${value}`,
          })
        })
        .catch(() => {
          ElMessage({
            type: 'info',
            message: 'Input canceled',
          })
        })
    }

    return {
      open,
    }
  },
})
</script>