# Regex repeat match

## Function

Explain repeated quantifiers such as ?, *, +, {n,m}.

## Syntax

```bt
regex(pattern, flags)
```

## Parameters

| Parameters | Type | Required | Default value | Description |
| ------ | ------ | ------ | ------ | ------ |
| pattern | String | No | '' | Regular body containing repeated quantifiers. |
| flags | String | No | '' | Regular flags. |

## Return value

| Type | Description |
| ------ | ------ |
| Regex | Returns a Regex object. |

## Example

```bt
rule = regex('^[0-9]{2,4}$', '')
result = rule.test('2026')

// Output: true
print result
```

## Notes

- Repeating quantifiers act on the previous atom, character class, or group.