---
title: Strings and Text
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/strings-and-text
---

# Strings and Text

Create and process strings of Unicode characters, use regular expressions to find patterns, and perform natural language analysis of text.

## Topics

### Strings

- [String](swift/string.md)
- [String Encodings](foundation/1497293-string-encodings.md)

### Strings with Metadata

- [AttributedString](foundation/attributedstring.md)
- [AttributedSubstring](foundation/attributedsubstring.md)
- [Attributed String Supporting Types](foundation/attributed-string-supporting-types.md)
- [NSAttributedString](foundation/nsattributedstring.md)
- [NSMutableAttributedString](foundation/nsmutableattributedstring.md)

### Characters

- [CharacterSet](foundation/characterset.md)
- [UnicodeScalar](swift/unicodescalar.md)

### Pattern Matching

- [Scanner](foundation/scanner.md)
- [NSRegularExpression](foundation/nsregularexpression.md)
- [NSDataDetector](foundation/nsdatadetector.md)
- [NSTextCheckingResult](foundation/nstextcheckingresult.md)
- [NSNotFound](foundation/nsnotfound-4qp9h.md)

### Spelling and Grammar

- [NSSpellServer](foundation/nsspellserver.md)
- [NSSpellServerDelegate](foundation/nsspellserverdelegate.md)

### Localization

- [Locale](foundation/locale.md)
- [NSOrthography](foundation/nsorthography.md)
- [NSLocalizedString(_:tableName:bundle:value:comment:)](foundation/nslocalizedstring(_:tablename:bundle:value:comment:).md)
- [LocalizedStringResource](foundation/localizedstringresource.md)
- [CustomLocalizedStringResourceConvertible](foundation/customlocalizedstringresourceconvertible.md)
- [URLResource](foundation/urlresource.md)

### Deprecated

- [NSLinguisticTagger](foundation/nslinguistictagger.md)
- [Deprecated String Encodings](foundation/1497268-deprecated-string-encodings.md)

## See Also

### Fundamentals

- [Numbers, Data, and Basic Values](foundation/numbers-data-and-basic-values.md)
- [Collections](foundation/collections.md)
- [Dates and Times](foundation/dates-and-times.md)
- [Units and Measurement](foundation/units-and-measurement.md)
- [Data Formatting](foundation/data-formatting.md)
- [Filters and Sorting](foundation/filters-and-sorting.md)