---
title: NSString.CompareOptions
framework: foundation
role: symbol
role_heading: Structure
path: foundation/nsstring/compareoptions
---

# NSString.CompareOptions

These values represent the options available to many of the string classes’ search and comparison methods.

## Declaration

```swift
struct CompareOptions
```

## Overview

Overview See Searching, Comparing, and Sorting Strings for details on the effects of these options.

## Topics

### Constants

- [caseInsensitive](foundation/nsstring/compareoptions/caseinsensitive.md)
- [literal](foundation/nsstring/compareoptions/literal.md)
- [backwards](foundation/nsstring/compareoptions/backwards.md)
- [anchored](foundation/nsstring/compareoptions/anchored.md)
- [numeric](foundation/nsstring/compareoptions/numeric.md)
- [diacriticInsensitive](foundation/nsstring/compareoptions/diacriticinsensitive.md)
- [widthInsensitive](foundation/nsstring/compareoptions/widthinsensitive.md)
- [forcedOrdering](foundation/nsstring/compareoptions/forcedordering.md)
- [regularExpression](foundation/nsstring/compareoptions/regularexpression.md)

### Initializers

- [init(rawValue:)](foundation/nsstring/compareoptions/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)

## See Also

### Identifying and Comparing Strings

- [caseInsensitiveCompare(_:)](foundation/nsstring/caseinsensitivecompare(_:).md)
- [localizedCaseInsensitiveCompare(_:)](foundation/nsstring/localizedcaseinsensitivecompare(_:).md)
- [compare(_:)](foundation/nsstring/compare(_:).md)
- [localizedCompare(_:)](foundation/nsstring/localizedcompare(_:).md)
- [compare(_:options:)](foundation/nsstring/compare(_:options:).md)
- [compare(_:options:range:)](foundation/nsstring/compare(_:options:range:).md)
- [compare(_:options:range:locale:)](foundation/nsstring/compare(_:options:range:locale:).md)
- [localizedStandardCompare(_:)](foundation/nsstring/localizedstandardcompare(_:).md)
- [hasPrefix(_:)](foundation/nsstring/hasprefix(_:).md)
- [hasSuffix(_:)](foundation/nsstring/hassuffix(_:).md)
- [isEqual(to:)](foundation/nsstring/isequal(to:).md)
- [hash](foundation/nsstring/hash.md)
- [NSString.EncodingConversionOptions](foundation/nsstring/encodingconversionoptions.md)