respect-validation/docs/Not.md

Not

• v::not(v $negatedValidator)

Negates any rule.

v::not(v::ip())->validate('foo'); // true

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())->validate(-1.5); // true

Each other validation has custom messages for negated rules.

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See also:

• NoneOf