respect-validation/docs/validators/Format.md
Henrique Moody 6abf3a548c
Remove Masked validator in favor of Formatted
The Masked validator was a proxy for what the new Formatted validator
already does, so it is being removed to reduce redundancy. All tests and
documentation have been updated accordingly.

Assisted-by: OpenCode (ollama-cloud/glm-4.7)
2026-02-06 20:44:26 +01:00

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<!--
SPDX-License-Identifier: MIT
SPDX-FileCopyrightText: (c) Respect Project Contributors
SPDX-FileContributor: Alexandre Gomes Gaigalas <alganet@gmail.com>
-->
# Format
- `Format(Formatter $formatter)`
Validates whether an input is already formatted as the result of applying a provided
[Respect\StringFormatter][] `Formatter` to it. You can build formatters using
`Respect\StringFormatter\FormatterBuilder` (commonly aliased as `f`).
```php
v::format(f::pattern('00-00'))->assert('42-33');
// Validation passes successfully
v::format(f::pattern('00-00'))->assert('42.33');
// → "42.33" must be formatted as "42-33"
v::format(f::mask('1-@'))->assert('alganet@gmail.com');
// → "alganet@gmail.com" must be formatted as "*******@gmail.com"
v::not(v::format(f::pattern('00-00')))->assert('42-33');
// → "42-33" must not be formatted as "42-33"
v::named('Vanity plate', v::format(f::pattern('AAA-0000')))->assert('DAD8008');
// → Vanity plate must be formatted as "DAD-8008"
```
This validator is useful when you need to assert that data is already in a desired
presentation (for example, ensuring that a masking tool was already applied or that
stored data follows a required display format).
## Templates
### `Format::TEMPLATE_STANDARD`
| Mode | Template |
| ---------: | :------------------------------------------------- |
| `default` | {{subject}} must be formatted as {{formatted}} |
| `inverted` | {{subject}} must not be formatted as {{formatted}} |
## Template placeholders
| Placeholder | Description |
| ----------- | ---------------------------------------------------------------- |
| `formatted` | The value resulting from applying the provided formatter to the input |
| `subject` | The validated input or the custom validator name (if specified). |
## Categorization
- Display
- Strings
## Changelog
| Version | Description |
| ------: | :---------- |
| 3.0.0 | Created |
## See Also
- [Templated](Templated.md)
[Respect\StringFormatter]: https://github.com/Respect/StringFormatter