# String.parse_radix_int

## Function

Parse the current integer text in the specified base.

## Syntax

```bt
string.parse_radix_int(radix)
```

## Parameters

| Parameters | Type | Required | Default value | Description |
| ------ | ------ | ------ | ------ | ------ |
| radix | Int | No | 10 | Base. |

## Return value

| Type | Description |
| ------ | ------ |
| Int/Null | Returns Int if parsing is successful; Null if failed. |

## Example

```bt
result = 'ff'.parse_radix_int(16)

// Output: 255
print result
```

## Notes

- Parse using Rust i64::from_str_radix.
- The original string will not be modified.