# Bloom.validate

Checks if a string is a valid bloom filter value.

## Imports

:::code-group
```ts [Named]
import { Bloom } from 'ox'
```

```ts [Entrypoint]
import * as Bloom from 'ox/Bloom'
```
:::

## Examples

```ts twoslash
import { Bloom } from 'ox'

Bloom.validate('0x')
// @log: false

Bloom.validate(
  '0x00000000000000000000008000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000044000200000000000000000002000000000000000000000040000000000000000000000000000020000000000000000000800000000000800000000000800000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000808002000000000400000000000000000000000060000000000000000000000000000000000000000000000100000000000002000000'
)
// @log: true
```

## Definition

```ts
function validate(
  value: string,
): value is Hex.Hex
```

**Source:** [src/core/Bloom.ts](https://github.com/wevm/ox/blob/main/src/core/Bloom.ts#L189)

## Parameters

### value

* **Type:** `string`

Value to check.

## Return Type

Whether the value is a valid bloom filter.

`value is Hex.Hex`