swift-regex-builder

Type-safe regex patterns in Swift use the RegexBuilder DSL to compose readable patterns, allowing you to match and extract structured data from strings without fragile string concatenation. This approach leverages Swift's type system for reliable parsing.

Migrating from NSRegularExpression to modern Swift regex involves replacing string-based patterns with Regex literals or the RegexBuilder DSL. This skill provides migration guidance to transition projects targeting iOS 16, macOS 13, tvOS, and visionOS to type-safe regex APIs.

Yes, Swift RegexBuilder captures and transforms typed values including integers, doubles, and dates. By applying Foundation parsers directly within your regex pattern, you extract strongly typed data from matched strings instead of receiving raw string captures.

The RegexBuilder DSL provides readable, composable components for building multi-line and complex regex patterns programmatically, whereas regex literals use standard string syntax. Both achieve type-safe string processing in Swift 5.7+ projects.

Yes, Swift regex supports quantifiers, character classes, and anchors. You can use these standard regular expression features within both regex literals and the RegexBuilder DSL to precisely define string matching boundaries and repetition logic.

Swift RegexBuilder is limited to projects targeting iOS 16, macOS 13, tvOS, and visionOS or newer. It requires Swift 5.7+ and cannot be applied to older deployment targets that still rely on NSRegularExpression for string parsing tasks.