---
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: match (regex, comparisonString)
layout: subsection
---

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

Returns true if the whole comparison string matches the regex string, or if either the regex or comparison string is empty.

The `validate:match` function operates using the `Pattern.matches` Java function.

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

`boolean`

## <a id="section_dz5_pwg_5db"></a>Namespace Function Syntax

```
validate:match(regex, comparisonString)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>regex</td><td>A regex (Java style) string.</td></tr><tr><td>comparisonString</td><td>The whole string to match.</td></tr></tbody></table><br/>

<b>Example</b>

`validate:match('.*', 'my string')`

Returns `true`