title: Joi.js return a weird error message
body: <p>I'm using <a href="https://github.com/hapijs/joi" rel="nofollow">joi</a> to validate my apis request. All things is good except the error message return the field name with slash '\' character.</p>
  
  <pre><code>{
    "message": "validation error",
    "error": {
      "status": 400,
      "statusText": "Bad Request",
      "errors": [
        {
          "field": "email",
          "location": "body",
          "messages": [
            "\"email\" must be a valid email"
          ],
          "types": [
            "string.email"
          ]
        }
      ]
    }
  }
  </code></pre>
  
  <p>Anyone got this problem ?</p>