> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso/5.0/developing/form/expressions/functions/functions-descriptions/string-functions/extract-string.md).

# Extract String

Kalipso - Form - Expressions - Functions - Functions Descriptions - String Functions - Extract String

This Function returns a string, extracted from the specified Source string, according to a Rank and a Separator.

### Parameters

* **Source string** <*string*> - String from where to extract the substring.
* **Rank** <*numeric*> - Order of the substring to extract.
* **Separator** <*string*> - String used as a separator in the Source string, to divide it.<br>

### Examples

* *Example 1*

ExtractString("001;Kalipso Studio;5000;Software", 2, ";")\
**Result** = Kalipso Studio

* *Example 2*

ExtractString("001;Kalipso Studio;5000;Software", 1, ":")\
**Result** = 001;Kalipso Studio;5000;Software

* *Example 3*

ExtractString("001;Kalipso Studio;5000;Software", 2, ":")\
**Result** =

{% hint style="info" %}
If the Rank is higher than the number of parts, the result will be an empty string.
{% endhint %}

{% hint style="info" %}
If the Separator doesn’t exist and the specified Rank is 1, the result will be the specified Source string.
{% endhint %}