# Count

| type   | returns  |
| ------ | -------- |
| method | `number` |

## Arguments

| name   | type   | description                 |
| ------ | ------ | --------------------------- |
| needle | string | The substring to search for |

## Explanation

Returns the amount of times the given substring (`needle`) appears within the string.

## Examples

```swift
"Hello".count('l') == 2
"".count("I'm not in the string") == 0
```