QGIS/resources/function_help/json/string_to_array

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{
"name": "string_to_array",
"type": "function",
"description": "Splits string into an array using supplied delimiter and optional string for empty values.",
"arguments": [
{"arg":"string", "description":"the input string"},
{"arg":"delimiter","optional":true,"default":"','","description":"the string delimiter used to split the input string"},
{"arg":"emptyvalue","optional":true,"default":"''","description":"the optional string to use as replacement to empty values"}],
"examples": [ { "expression":"string_to_array('1,2,3',',')", "returns":"array: '1', '2', '3'"},
{ "expression":"string_to_array('1,,3',',','0')", "returns":"array: '1', '0', '3'"}
]
}