<link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/@mdi/font@6.x/css/materialdesignicons.min.css" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.min.css" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
<v-text-field v-model="inputText" clearable label="Only Alphanumeric Input Allow"
:rules="[alphanumericRule]"></v-text-field>
<script src="https://cdn.jsdelivr.net/npm/vue@2.x"></script>
<script src="https://cdn.jsdelivr.net/npm/vuetify@2.x"></script>
alphanumericRule(value) { // Use a regular expression to validate that the input contains only alphanumeric characters
return /^[a-zA-Z0-9\s]*$/.test(value) || 'Only alphanumeric characters and spaces are allowed';