# ListFind

Return int position of value in delimited list, case sensitive or case-insenstive variations

## Method Signature

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

### Arguments

| Argument                  | Type      | Required | Description                                                      | Default |
| ------------------------- | --------- | -------- | ---------------------------------------------------------------- | ------- |
| `list`                    | `string`  | `true`   | The list to be searched.                                         |         |
| `value`                   | `string`  | `true`   | The value to locate in the list or a function to filter the list |         |
| `delimiter`               | `string`  | `false`  | The list delimiter(s)                                            | `,`     |
| `includeEmptyFields`      | `boolean` | `false`  | Whether to include empty fields in the search                    | `false` |
| `multiCharacterDelimiter` | `boolean` | `false`  |                                                                  | `false` |

## Examples

### Basic Example

Find item in a list and return the index.

[Run Example](https://try.boxlang.io/?code=eJzLySwuccvMS%2FHLd04sTtVQUEosKMhJ1ckvSsxLT9VJSswDQiUdBSWIgJKCpjUXANhmEOQ%3D)

```java
listFindNoCase( "apple,orange,banana", "orange" );

```

Result: 2

### Different Delimiters

Find item in a pipe delimited list and return the index.

[Run Example](https://try.boxlang.io/?code=eJzLySwuccvMS%2FHLd04sTtVQUEosKMhJrckvSsxLT61JSswDQiUdBSWIAIhVo6Sgac0FAEQ%2FEpA%3D)

```java
listFindNoCase( "apple|orange|banana", "orange", "|" );

```

Result: 2

### Member Syntax

listFindNoCase as a member function

[Run Example](https://try.boxlang.io/?code=eJxLKyrNLClWsFVQSiwoyEmtyS9KzEtPrUlKzANCJWuu8qLMklT%2F0pKC0hINhTSwYr2czOISt8y8FL9858TiVA0FJf8gRz93VyUdBaUaJQVNBU1rLgBz2hz7)

```java
fruits = "apple|orange|banana";
writeOutput( fruits.listFindNoCase( "ORANGE", "|" ) );

```

Result: 2

### Additional Examples

[Run Example](https://try.boxlang.io/?code=eJxtjsEKgkAYhO%2F7FMOeFJY81E2CBVMIrE49gOkPLayurP9qj99q3eo6M8z3Ld4w3QKPgRNYM3Flhu7qimaiBPKsrJtJ2dASKaa1tSQVZH0vylIiRZojy1C%2BRmqZOrjtCXsRwwv1D%2FKowtCycQMWw09odGRNH6FeTOzrSMQxgnTT6w2jO5plLpbV6xT6McF3tvuxO8VldNEfD%2FFP5CDeDk9JFA%3D%3D)

```java
writeOutput( listFindNoCase( "I,love,boxlang,testFile", "BOXLANG" ) ); // Expected output 3
// Member Function with @ delimiter
strList = "I@am@boxlang@dev";
writeDump( strList.listFindNoCase( "Dev", "@" ) );
 // Expected output 4

```

## 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)
* [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)
* [ListItemTrim](/boxlang-language/reference/built-in-functions/list/listitemtrim.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)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/list/listfind.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.