> For the complete documentation index, see [llms.txt](https://boxlang.ortusbooks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/list/listitemtrim.md).

# ListItemTrim

Trims each item in the list.

## Method Signature

```
ListItemTrim(list=[string], delimiter=[string], includeEmptyFields=[boolean], multiCharacterDelimiter=[boolean])
```

### Arguments

| Argument                  | Type      | Required | Description                                                    | Default |
| ------------------------- | --------- | -------- | -------------------------------------------------------------- | ------- |
| `list`                    | `string`  | `true`   | string list to trim each item                                  |         |
| `delimiter`               | `string`  | `false`  | string the list delimiter                                      | `,`     |
| `includeEmptyFields`      | `boolean` | `false`  | boolean whether to include empty fields in the returned result | `false` |
| `multiCharacterDelimiter` | `boolean` | `false`  |                                                                | `false` |

## Examples

### Simple Example

Trims each item in the list.

[Run Example](https://try.boxlang.io/?code=eJxLrUjMLchJ9cksLlGwVVDKSM3JyddRKM8vyklR0CnJyCzWUcgsVkjUUdBJhahUsuYqL8osSfUvLSkoLdFQyAHq9CxJzQ0pyszVUIAqAgkqaCpoWnMBAFBFINo%3D)

```java
exampleList = "hello, world ,this, is a, ,example";
writeOutput( listItemTrim( examplelist ) );

```

Result: hello,world,this,is a,,example

### Using as member function

Trims each item in the list.

[Run Example](https://try.boxlang.io/?code=eJxLrUjMLchJ9cksLlGwVVDKSM3JyddRKM8vyklR0CnJyCzWUcgsVkjUUdBJhahUsuZKRdGDxNPLARKeJam5IUWZuRqa1lzlRZklqf6lJQWlJRowhSA1CkA5ADH%2BKpo%3D)

```java
exampleList = "hello, world ,this, is a, ,example";
exampleList = exampleList.listItemTrim();
writeOutput( examplelist );

```

Result: hello,world,this,is a,,example

### Keep empty items in the list

Trims each item in the list and keep empty items.

[Run Example](https://try.boxlang.io/?code=eJwty8EJgDAQRNG7VQw5RZgOxAIEwYsNCC64sEFJNmj5Knr9vC%2FXkg6TUYujR9jEbCfOPdsK%2BqaF0IKFACmfDV1zZnWZqh%2FVI%2Bx5B5c0Z00RP3ojERgIz1XQou2aG%2F08I%2B4%3D)

```java
exampleList = "hello, world ,this, is a,  ,,example";
writeOutput( listItemTrim( examplelist, ",", true ) );

```

Result: hello,world,this,is a,,,example

### Additional Examples

[Run Example](https://try.boxlang.io/?code=eJxVzUEKwjAUBNB9TjFklcLHHKC4EFQo1FW8gJa%2FCCRNSH6qx9e2bpzNrOaNtXA%2B5sC4vB9rq1fxwqlJbmIQfJVBON6LjwbatepBGE8OIAptYiYi4SpEGh26XlmLG8cnF1zbPIlPs6pSxq%2BDIzQNhC2EkBbeidXS%2FX58bjEb%2FBaHv%2FuN%2FwBaHzbn)

```java
// Simple Example
writeoutput( listItemTrim( "Susi , LAS  ,,boxlang,,,test,," ) );
// Member Function
strList = ",I,      , love,boxlang  ,,";
writeDump( strList.listItemTrim() );

```

## Related

* [GetToken](/boxlang-language/reference/built-in-functions/list/gettoken.md)
* [ListAppend](/boxlang-language/reference/built-in-functions/list/listappend.md)
* [ListAvg](/boxlang-language/reference/built-in-functions/list/listavg.md)
* [ListChangeDelims](/boxlang-language/reference/built-in-functions/list/listchangedelims.md)
* [ListCompact](/boxlang-language/reference/built-in-functions/list/listcompact.md)
* [ListContains](/boxlang-language/reference/built-in-functions/list/listcontains.md)
* [ListContainsNoCase](/boxlang-language/reference/built-in-functions/list/listcontainsnocase.md)
* [ListDeleteAt](/boxlang-language/reference/built-in-functions/list/listdeleteat.md)
* [ListEach](/boxlang-language/reference/built-in-functions/list/listeach.md)
* [ListEvery](/boxlang-language/reference/built-in-functions/list/listevery.md)
* [ListFilter](/boxlang-language/reference/built-in-functions/list/listfilter.md)
* [ListFind](/boxlang-language/reference/built-in-functions/list/listfind.md)
* [ListFindNoCase](/boxlang-language/reference/built-in-functions/list/listfindnocase.md)
* [ListFirst](/boxlang-language/reference/built-in-functions/list/listfirst.md)
* [ListGetAt](/boxlang-language/reference/built-in-functions/list/listgetat.md)
* [ListGetEndings](/boxlang-language/reference/built-in-functions/list/listgetendings.md)
* [ListIndexExists](/boxlang-language/reference/built-in-functions/list/listindexexists.md)
* [ListInsertAt](/boxlang-language/reference/built-in-functions/list/listinsertat.md)
* [ListLast](/boxlang-language/reference/built-in-functions/list/listlast.md)
* [ListLen](/boxlang-language/reference/built-in-functions/list/listlen.md)
* [ListMap](/boxlang-language/reference/built-in-functions/list/listmap.md)
* [ListNone](/boxlang-language/reference/built-in-functions/list/listnone.md)
* [ListPrepend](/boxlang-language/reference/built-in-functions/list/listprepend.md)
* [ListQualify](/boxlang-language/reference/built-in-functions/list/listqualify.md)
* [ListReduceRight](/boxlang-language/reference/built-in-functions/list/listreduceright.md)
* [ListRemoveDuplicates](/boxlang-language/reference/built-in-functions/list/listremoveduplicates.md)
* [ListRest](/boxlang-language/reference/built-in-functions/list/listrest.md)
* [ListSetAt](/boxlang-language/reference/built-in-functions/list/listsetat.md)
* [ListSome](/boxlang-language/reference/built-in-functions/list/listsome.md)
* [ListSort](/boxlang-language/reference/built-in-functions/list/listsort.md)
* [ListToArray](/boxlang-language/reference/built-in-functions/list/listtoarray.md)
* [ListTrim](/boxlang-language/reference/built-in-functions/list/listtrim.md)
* [ListValueCount](/boxlang-language/reference/built-in-functions/list/listvaluecount.md)
* [ListValueCountNoCase](/boxlang-language/reference/built-in-functions/list/listvaluecountnocase.md)


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