JSFiddle - React, Tailwind, and code Playground

by stevenkaspar

HTML

<input oninput='checkAccounts(event, this);'/>

JavaScript

// at handler script
$scope = {
  accounts: [
    {email: '[email protected]', id: 1},
    {email: '[email protected]', id: 2}
  ]
}
function checkAccounts(event, input){
  var search_string = input.value;
  var match = search_string.match(/(^|[^@\w])@(\w{1,15})\b/);
  if(!match) return;
  console.log(match[0]);
}