vrl 0.32.0

Vector Remap Language
Documentation 
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{
  "anchor": "split",
  "name": "split",
  "category": "String",
  "description": "Splits the `value` string using `pattern`.",
  "arguments": [
    {
      "name": "value",
      "description": "The string to split.",
      "required": true,
      "type": [
        "string"
      ]
    },
    {
      "name": "pattern",
      "description": "The string is split whenever this pattern is matched.",
      "required": true,
      "type": [
        "string",
        "regex"
      ]
    },
    {
      "name": "limit",
      "description": "The maximum number of substrings to return.",
      "required": false,
      "type": [
        "integer"
      ]
    }
  ],
  "return": {
    "types": [
      "array"
    ],
    "rules": [
      "If `limit` is specified, the remainder of the string is returned unsplit after `limit` has been reached."
    ]
  },
  "examples": [
    {
      "title": "Split a string (no limit)",
      "source": "split(\"apples and pears and bananas\", \" and \")",
      "return": [
        "apples",
        "pears",
        "bananas"
      ]
    },
    {
      "title": "Split a string (with a limit)",
      "source": "split(\"apples and pears and bananas\", \" and \", limit: 2)",
      "return": [
        "apples",
        "pears and bananas"
      ]
    },
    {
      "title": "Split string",
      "source": "split(\"foobar\", \"b\")",
      "return": [
        "foo",
        "ar"
      ]
    },
    {
      "title": "Split regex",
      "source": "split(\"barbaz\", r'ba')",
      "return": [
        "",
        "r",
        "z"
      ]
    }
  ],
  "pure": true
}