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# Anonymous

## Topics

### Constants

[`var NSTextCheckingAllCustomTypes: NSTextCheckingTypes`](/documentation/Foundation/NSTextCheckingAllCustomTypes)

Checking types that can be used by clients.

[`var NSTextCheckingAllSystemTypes: NSTextCheckingTypes`](/documentation/Foundation/NSTextCheckingAllSystemTypes)

Checking types supported by the system. The first 32 types are reserved.

[`var NSTextCheckingAllTypes: NSTextCheckingTypes`](/documentation/Foundation/NSTextCheckingAllTypes)

All possible checking types, both system- and user-supported.


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