---
category: [, Administration & Integrations, Platform and Product Extensions, Platform and Product Extensions/Integration, Administration & Integrations/Custom Integrations & Apps, Platform and Product Extensions/Workday Extend]
keyword: [Extend, PMD Scripting, Scripts]
nav: wcp_docs
parent_url: /wcp_docs/
title: indexOf (searchString)
layout: subsection
---

## <a id="section_m3p_myb_5db"></a>Description

Finds the first index of the specified case-sensitive searchString within the string. Returns -1 if the string doesn't contain the searchString.

## <a id="section_cyq_j1m_zsb"></a>Return Type

`int`

## <a id="section_dz5_pwg_5db"></a>Instance Method Syntax

```
thisString.indexOf(searchString)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>searchString</td><td>The String to search (case-sensitive).</td></tr></tbody></table><br/>

<b>Example</b>

`'The quick brown fox'.indexOf('ox')`

Returns `17`

## <a id="section_njs_xzl_zsb"></a>Namespace Function Syntax

```
string:indexOf(string, searchString)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>string</td><td>The input String.</td></tr><tr><td>searchString</td><td>The String to search (case-sensitive).</td></tr></tbody></table><br/>