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respect-validation/docs/validators/Not.md
Alexandre Gomes Gaigalas d9cdc118b2 Introduce REUSE compliance 
This commit introduces REUSE compliance by annotating all files
with SPDX information and placing the reused licences in the
LICENSES folder.

We additionally removed the docheader tool which is made obsolete
by this change.

The main LICENSE and copyright text of the project is now not under
my personal name anymore, and it belongs to "The Respect Project
Contributors" instead.

This change restores author names to several files, giving the
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2026-01-21 06:28:11 +00:00

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Not

  • Not(Validator $validator)

Negates any validator.

v::not(v::ip())->assert('foo');
// Validation passes successfully

In the sample above, validator returns true because 'foo' isn't an IP Address.

You can negate complex, grouped or chained validators as well:

v::not(v::intVal()->positive())->assert(-1.5);
// Validation passes successfully

Each other validation has custom messages for negated validators.

Templates

Template placeholders

Placeholder Description
subject The validated input or the custom validator name (if specified).

Categorization

  • Core
  • Conditions
  • Nesting

Changelog

Version Description
0.3.9 Created

See also: