respect-validation/docs/validators/Base64.md
Alexandre Gomes Gaigalas bd48bdcda4 Lint Changelog format in validator docs
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2026-01-26 19:11:00 +00:00

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<!--
SPDX-FileCopyrightText: (c) Respect Project Contributors
SPDX-License-Identifier: MIT
-->
# Base64
- `Base64()`
Validate if a string is Base64-encoded.
```php
v::base64()->assert('cmVzcGVjdCE=');
// Validation passes successfully
v::base64()->assert('respect!');
// → "respect!" must be a base64 encoded string
```
## Templates
### `Base64::TEMPLATE_STANDARD`
| Mode | Template |
| ---------: | :---------------------------------------------- |
| `default` | {{subject}} must be a base64 encoded string |
| `inverted` | {{subject}} must not be a base64 encoded string |
## Template placeholders
| Placeholder | Description |
| ----------- | ---------------------------------------------------------------- |
| `subject` | The validated input or the custom validator name (if specified). |
## Categorization
- Strings
## Changelog
| Version | Description |
| ------: | :---------- |
| 2.0.0 | Created |
## See Also
- [Base](Base.md)