Removes all the nonprintable characters from the text.
| Name | Type | Description |
| arg1 | string | A string from which nonprintable characters will be removed. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.CLEAN("\ntext"));
builder.SaveFile("xlsx", "CLEAN.xlsx");
builder.CloseFile();