struct · iOS 16.0+ · SDK 27.1
struct AnchorA regex component that matches a specific condition at a particular position in an input string. You can use anchors to guarantee that a match only occurs at certain points in an input string, such as at the beginning of the string or at the end of a line.
static get startOfLine(): Anchorstatic var startOfLine: Anchor { get }An anchor that matches at the start of a line, including the start of the input string. This anchor is equivalent to `^` in regex syntax when the `m` option has been enabled or `anchorsMatchLineEndings(true)` has been called. For example, the following regexes are all equivalent: - `Regex { Anchor.startOfLine }` - `/(?m)^/` or `/(?m:^)/` - `/^/.anchorsMatchLineEndings(true)`
static get endOfSubject(): Anchorstatic var endOfSubject: Anchor { get }An anchor that matches at the end of the input string. This anchor is equivalent to `\z` in regex syntax.
static get wordBoundary(): Anchorstatic var wordBoundary: Anchor { get }An anchor that matches at a word boundary. Word boundaries are identified using the Unicode default word boundary algorithm by default. To specify a different word boundary algorithm, use the `wordBoundaryKind(_:)` method. This anchor is equivalent to `\b` in regex syntax.
static get startOfSubject(): Anchorstatic var startOfSubject: Anchor { get }An anchor that matches at the start of the input string. This anchor is equivalent to `\A` in regex syntax.
static get textSegmentBoundary(): Anchorstatic var textSegmentBoundary: Anchor { get }An anchor that matches at a grapheme cluster boundary. This anchor is equivalent to `\y` in regex syntax.
static get endOfSubjectBeforeNewline(): Anchorstatic var endOfSubjectBeforeNewline: Anchor { get }An anchor that matches at the end of the input string or at the end of the line immediately before the end of the string. This anchor is equivalent to `\Z` in regex syntax.
static get firstMatchingPositionInSubject(): Anchorstatic var firstMatchingPositionInSubject: Anchor { get }An anchor that matches at the first position of a match in the input string.
get regex(): SDKHandlevar regex: Regex<Substring> { get }The regular expression represented by this component.
get inverted(): Anchorvar inverted: Anchor { get }The inverse of this anchor, which matches at every position that this anchor does not. For the ``wordBoundary`` and ``textSegmentBoundary`` anchors, the inverted version corresponds to `\B` and `\Y`, respectively.
static get endOfLine(): Anchorstatic var endOfLine: Anchor { get }An anchor that matches at the end of a line, including at the end of the input string. This anchor is equivalent to `$` in regex syntax when the `m` option has been enabled or `anchorsMatchLineEndings(true)` has been called. For example, the following regexes are all equivalent: - `Regex { Anchor.endOfLine }` - `/(?m)$/` or `/(?m:$)/` - `/$/.anchorsMatchLineEndings(true)`
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