> ## Documentation Index
> Fetch the complete documentation index at: https://www.integrate.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ETL: TOKENIZE

> Use the Tokenize expression function in Integrate.io ETL to split a string into tokens by delimiter for parsing CSV-like fields and array transformations.

## Description

Generates a bag from delimited strings in string field. If you don't specify a single-character delimiter, tokenize will use any of the following characters:

* space
* double-quote
* comma
* parenthesis
* star

## Syntax1

`TOKENIZE(string, delimiter)`

## Arguments

*string* - string expression

*delimiter* - string expression indicating a single character delimiter.

## Examples

`TOKENIZE('a,b,c', ',')` returns a bag containing a, b, c

## Return value datatype

Bag of strings

## Impact of null value

If input is null, returns null.