diff --git a/Sources/SemanticVersion/SemanticVersion.swift b/Sources/SemanticVersion/SemanticVersion.swift
index f772b81..8f87cff 100644
--- a/Sources/SemanticVersion/SemanticVersion.swift
+++ b/Sources/SemanticVersion/SemanticVersion.swift
@@ -56,6 +56,27 @@ extension SemanticVersion: LosslessStringConvertible {
     /// Initialize a version from a string. Returns `nil` if the string is not a semantic version.
     /// - Parameter string: Version string.
     public init?(_ string: String) {
+#if swift(>=5.7)
+        if #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) {
+            guard let match = string.wholeMatch(of: semVerPattern),
+                  let major = Int(match.output.major),
+                  let minor = Int(match.output.minor),
+                  let patch = Int(match.output.patch)
+            else { return nil }
+            let preRelease = match.output.prerelease.flatMap({String($0)}) ?? ""
+            let build = match.output.buildmetadata.flatMap({String($0)}) ?? ""
+            self = .init(major, minor, patch, preRelease, build)
+        } else {
+            let groups = semVerRegex.matchGroups(string)
+            guard
+                groups.count == semVerRegex.numberOfCaptureGroups,
+                let major = Int(groups[0]),
+                let minor = Int(groups[1]),
+                let patch = Int(groups[2])
+            else { return nil }
+            self = .init(major, minor, patch, groups[3], groups[4])
+        }
+#else
         let groups = semVerRegex.matchGroups(string)
         guard
             groups.count == semVerRegex.numberOfCaptureGroups,
@@ -64,6 +85,7 @@ extension SemanticVersion: LosslessStringConvertible {
             let patch = Int(groups[2])
         else { return nil }
         self = .init(major, minor, patch, groups[3], groups[4])
+#endif
     }
 
     public var description: String {
@@ -163,8 +185,37 @@ extension SemanticVersion: Sendable {}
 
 // Source: https://regex101.com/r/Ly7O1x/3/
 // Linked from https://semver.org
+
+
 #if swift(>=5)
 
+#if swift(>=5.7)
+@available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *)
+let semVerPattern = ##/
+^
+v?                              # SPI extension: allow leading 'v'
+(?<major>0|[1-9]\d*)
+\.
+(?<minor>0|[1-9]\d*)
+\.
+(?<patch>0|[1-9]\d*)
+(?:-
+  (?<prerelease>
+    (?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)
+    (?:\.
+      (?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)
+    )
+  *)
+)?
+(?:\+
+  (?<buildmetadata>[0-9a-zA-Z-]+
+    (?:\.[0-9a-zA-Z-]+)
+  *)
+)?
+$
+/##
+#endif
+
 let semVerRegex = NSRegularExpression(#"""
 ^
 v?                              # SPI extension: allow leading 'v'
diff --git a/Tests/SemanticVersionTests/SemanticVersionTests.swift b/Tests/SemanticVersionTests/SemanticVersionTests.swift
index a3ad6c6..f364ba3 100644
--- a/Tests/SemanticVersionTests/SemanticVersionTests.swift
+++ b/Tests/SemanticVersionTests/SemanticVersionTests.swift
@@ -17,6 +17,7 @@ import XCTest
 
 final class SemanticVersionTests: XCTestCase {
 
+
     func test_semVerRegex_valid() throws {
         XCTAssert(semVerRegex.matches("0.0.4"))
         XCTAssert(semVerRegex.matches("1.2.3"))
@@ -51,8 +52,44 @@ final class SemanticVersionTests: XCTestCase {
         XCTAssert(semVerRegex.matches("1.0.0-0A.is.legal"))
     }
 
+    func test_semVerPattern_valid() throws {
+        XCTAssert("0.0.4".contains(semVerPattern))
+        XCTAssert("0.0.4".contains(semVerPattern))
+        XCTAssert("1.2.3".contains(semVerPattern))
+        XCTAssert("10.20.30".contains(semVerPattern))
+        XCTAssert("1.1.2-prerelease+meta".contains(semVerPattern))
+        XCTAssert("1.1.2+meta".contains(semVerPattern))
+        XCTAssert("1.1.2+meta-valid".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha".contains(semVerPattern))
+        XCTAssert("1.0.0-beta".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha.beta".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha.beta.1".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha.1".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha0.valid".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha.0valid".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha-a.b-c-somethinglong+build.1-aef.1-its-okay".contains(semVerPattern))
+        XCTAssert("1.0.0-rc.1+build.1".contains(semVerPattern))
+        XCTAssert("2.0.0-rc.1+build.123".contains(semVerPattern))
+        XCTAssert("1.2.3-beta".contains(semVerPattern))
+        XCTAssert("10.2.3-DEV-SNAPSHOT".contains(semVerPattern))
+        XCTAssert("1.2.3-SNAPSHOT-123".contains(semVerPattern))
+        XCTAssert("1.0.0".contains(semVerPattern))
+        XCTAssert("2.0.0".contains(semVerPattern))
+        XCTAssert("1.1.7".contains(semVerPattern))
+        XCTAssert("2.0.0+build.1848".contains(semVerPattern))
+        XCTAssert("2.0.1-alpha.1227".contains(semVerPattern))
+        XCTAssert("1.0.0-alpha+beta".contains(semVerPattern))
+        XCTAssert("1.2.3----RC-SNAPSHOT.12.9.1--.12+788".contains(semVerPattern))
+        XCTAssert("1.2.3----R-S.12.9.1--.12+meta".contains(semVerPattern))
+        XCTAssert("1.2.3----RC-SNAPSHOT.12.9.1--.12".contains(semVerPattern))
+        XCTAssert("1.0.0+0.build.1-rc.10000aaa-kk-0.1".contains(semVerPattern))
+        XCTAssert("99999999999999999999999.999999999999999999.99999999999999999".contains(semVerPattern))
+        XCTAssert("1.0.0-0A.is.legal".contains(semVerPattern))
+    }
+
     func test_allow_leading_v() throws {
         XCTAssert(semVerRegex.matches("v0.0.4"))
+        XCTAssert("v0.0.4".contains(semVerPattern))
     }
 
     func test_semVerRegex_invalid() throws {
@@ -97,6 +134,48 @@ final class SemanticVersionTests: XCTestCase {
         XCTAssertFalse(semVerRegex.matches("9.8.7-whatever+meta+meta"))
     }
 
+    func test_semVerPattern_invalid() throws {
+        XCTAssertFalse("1".contains(semVerPattern))
+        XCTAssertFalse("1.2".contains(semVerPattern))
+        XCTAssertFalse("1.2.3-0123".contains(semVerPattern))
+        XCTAssertFalse("1.2.3-0123.0123".contains(semVerPattern))
+        XCTAssertFalse("1.1.2+.123".contains(semVerPattern))
+        XCTAssertFalse("+invalid".contains(semVerPattern))
+        XCTAssertFalse("-invalid".contains(semVerPattern))
+        XCTAssertFalse("-invalid+invalid".contains(semVerPattern))
+        XCTAssertFalse("-invalid.01".contains(semVerPattern))
+        XCTAssertFalse("alpha".contains(semVerPattern))
+        XCTAssertFalse("alpha.beta".contains(semVerPattern))
+        XCTAssertFalse("alpha.beta.1".contains(semVerPattern))
+        XCTAssertFalse("alpha.1".contains(semVerPattern))
+        XCTAssertFalse("alpha+beta".contains(semVerPattern))
+        XCTAssertFalse("alpha_beta".contains(semVerPattern))
+        XCTAssertFalse("alpha.".contains(semVerPattern))
+        XCTAssertFalse("alpha..".contains(semVerPattern))
+        XCTAssertFalse("beta".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha_beta".contains(semVerPattern))
+        XCTAssertFalse("-alpha.".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha..".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha..1".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha...1".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha....1".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha.....1".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha......1".contains(semVerPattern))
+        XCTAssertFalse("1.0.0-alpha.......1".contains(semVerPattern))
+        XCTAssertFalse("01.1.1".contains(semVerPattern))
+        XCTAssertFalse("1.01.1".contains(semVerPattern))
+        XCTAssertFalse("1.1.01".contains(semVerPattern))
+        XCTAssertFalse("1.2".contains(semVerPattern))
+        XCTAssertFalse("1.2.3.DEV".contains(semVerPattern))
+        XCTAssertFalse("1.2-SNAPSHOT".contains(semVerPattern))
+        XCTAssertFalse("1.2.31.2.3----RC-SNAPSHOT.12.09.1--..12+788".contains(semVerPattern))
+        XCTAssertFalse("1.2-RC-SNAPSHOT".contains(semVerPattern))
+        XCTAssertFalse("-1.0.3-gamma+b7718".contains(semVerPattern))
+        XCTAssertFalse("+justmeta".contains(semVerPattern))
+        XCTAssertFalse("9.8.7+meta+meta".contains(semVerPattern))
+        XCTAssertFalse("9.8.7-whatever+meta+meta".contains(semVerPattern))
+    }
+
     func test_init() throws {
         XCTAssertEqual(SemanticVersion("1.2.3"), SemanticVersion(1, 2, 3))
         XCTAssertEqual(SemanticVersion("v1.2.3"), SemanticVersion(1, 2, 3))