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---
title: "folder(regex)"
layout: default
section: api
---
__Description__ : Search a subdirectory in the current directory with a
[regular expression](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions).
The regex is tested against the relative path.
__Arguments__
name | type | description
------|--------|------------
regex | RegExp | the regex to use.
__Returns__ : An array of matching folders (an empty array if none matched).
Each maching folder is an instance of [ZipObject]({{site.baseurl}}/documentation/api_zipobject.html).
__Throws__ : Nothing.
<!--
__Complexity__ : **O(k)** where k is the number of entries in the current JSZip
instance.
-->
__Example__
```js
var zip = new JSZip();
zip.folder("home/Pierre/videos");
zip.folder("home/Pierre/photos");
zip.folder("home/Jean/videos");
zip.folder("home/Jean/photos");
zip.folder(/videos/); // array of size 2
zip.folder("home/Jean").folder(/^vid/); // array of 1
```
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