{
  "parts": [
    {
      "is_public": false,
      "regex_def": "email was meant for @"
    },
    {
      "is_public": true,
      "regex_def": "[a-zA-Z0-9_]+"
    },
    {
      "is_public": false,
      "regex_def": "\\."
    }
  ]
}