<!--
{
  "availability" : [
    "iOS: 16.0.0 -",
    "iPadOS: 16.0.0 -",
    "macCatalyst: 16.0.0 -",
    "macOS: 13.0.0 -",
    "tvOS: 16.0.0 -",
    "visionOS: -",
    "watchOS: 9.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Swift",
  "identifier" : "/documentation/RegexBuilder/Anchor/wordBoundary",
  "metadataVersion" : "0.1.0",
  "role" : "Type Property",
  "symbol" : {
    "kind" : "Type Property",
    "modules" : [
      "RegexBuilder"
    ],
    "preciseIdentifier" : "s:12RegexBuilder6AnchorV12wordBoundaryACvpZ"
  },
  "title" : "wordBoundary"
}
-->

# wordBoundary

An anchor that matches at a word boundary.

```
static var wordBoundary: Anchor { get }
```

## Discussion

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.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)