{
  "scheme": {
    "rule": "scheme",
    "input": "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+-.",
    "answer": true
  },
  "pct-encoded": {
    "rule": "pct-encoded",
    "input": "%20",
    "answer": true
  },
  "userinfo": {
    "rule": "userinfo",
    "input": "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$&'()*+,-.:;=_~%00%ff%FF%0a%0A%20",
    "answer": true
  },
  "IPvFuture": {
    "rule": "IPvFuture",
    "input": "v0123456789abcdefABCDEF.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$&'()*+,-.:;=_~",
    "answer": true
  },
  "reg-name": {
    "rule": "reg-name",
    "input": "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$&'()*+,-.;=_~%00%ff%FF%0a%0A%20",
    "answer": true
  },
  "pchar": {
    "rule": "segment-nz",
    "input": "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$&'()*+,-.:;=_~@%00%ff%FF%0a%0A%20",
    "answer": true
  },
  "query": {
    "rule": "query",
    "input": "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$&'()*+,-.:;=_~@%00%ff%FF%0a%0A%20/?",
    "answer": true
  },
  "fragment": {
    "rule": "fragment",
    "input": "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$&'()*+,-.:;=_~@%00%ff%FF%0a%0A%20/?",
    "answer": true
  }
}