{
  "scope": "Original fictional unchanged strings, not observed model/customer data or identity/security findings",
  "wholePattern": "TK-[0-9]{4}",
  "searchPattern": "(?<![A-Za-z0-9_])TK-[0-9]{4}(?![A-Za-z0-9_])",
  "spanBasis": "Python string positions, end excluded, not bytes",
  "cases": [
    {
      "case": "A",
      "input": "TK-0042",
      "wholeField": true,
      "occurrences": [
        {
          "text": "TK-0042",
          "start": 0,
          "end": 7
        }
      ]
    },
    {
      "case": "B",
      "input": "See (TK-0042).",
      "wholeField": false,
      "occurrences": [
        {
          "text": "TK-0042",
          "start": 5,
          "end": 12
        }
      ]
    },
    {
      "case": "C",
      "input": "XTK-0042",
      "wholeField": false,
      "occurrences": []
    },
    {
      "case": "D",
      "input": "TK-00420",
      "wholeField": false,
      "occurrences": []
    },
    {
      "case": "E",
      "input": "tk-0042",
      "wholeField": false,
      "occurrences": []
    },
    {
      "case": "F",
      "input": "TK-٠٠٤٢",
      "wholeField": false,
      "occurrences": []
    },
    {
      "case": "G",
      "input": "TK-0042 TK-0042",
      "wholeField": false,
      "occurrences": [
        {
          "text": "TK-0042",
          "start": 0,
          "end": 7
        },
        {
          "text": "TK-0042",
          "start": 8,
          "end": 15
        }
      ]
    },
    {
      "case": "H",
      "input": "TK-0042\n",
      "wholeField": false,
      "occurrences": [
        {
          "text": "TK-0042",
          "start": 0,
          "end": 7
        }
      ]
    },
    {
      "case": "I",
      "input": "αTK-0042β",
      "wholeField": false,
      "occurrences": [
        {
          "text": "TK-0042",
          "start": 1,
          "end": 8
        }
      ]
    },
    {
      "case": "J",
      "input": "TK-0042_suffix",
      "wholeField": false,
      "occurrences": []
    }
  ]
}