# Series.str.substring

> danfo.Series.str.**substring**(startIndex, endIndex, options) \[[source](https://github.com/opensource9ja/danfojs/blob/master/danfojs/src/core/strings.js#L280)]

| Parameters | Type   | Description                                                    | Default                                                |
| ---------- | ------ | -------------------------------------------------------------- | ------------------------------------------------------ |
| startIndex | Number | specify the index to start obtaining the substring             | 0                                                      |
| endIndex   | Number | specify the index to end the substring                         | 1                                                      |
| options    | Object | **inplace**: Whether to perform the operation in-place or not. | <p>{</p><p><strong>inplace</strong>: false</p><p>}</p> |

**Returns**

\*\*\*\* return **Series**

**Example**

Obtain the substring from index 2 to index 4 of the string elements in a Series

{% tabs %}
{% tab title="Node" %}

```javascript
const dfd = require("danfojs-node")

let data = ['lower part ', ' CAPITALS city', ' this is a sentence', '  SwAp CaSe']
let sf = new dfd.Series(data)
sf.str.substring(2, 4).print()
```

{% endtab %}

{% tab title="Browser" %}

```
```

{% endtab %}
{% endtabs %}

{% tabs %}
{% tab title="Output" %}

```
╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ we                   ║
╟───┼──────────────────────╢
║ 1 │ AP                   ║
╟───┼──────────────────────╢
║ 2 │ hi                   ║
╟───┼──────────────────────╢
║ 3 │ Sw                   ║
╚═══╧══════════════════════╝
```

{% endtab %}
{% endtabs %}