---
title: kUCTextBreakLeadingEdgeMask
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/kuctextbreakleadingedgemask
---

# kUCTextBreakLeadingEdgeMask

## Declaration

```swift
var kUCTextBreakLeadingEdgeMask: Int { get }
```

## Discussion

Discussion If the corresponding bit is set, then the starting offset for the UCFindTextBreak function is assumed to be in the word containing the character following the offset; this is the normal case when searching forward. If the corresponding bit is clear, then the starting offset for UCFindTextBreak is assumed to be in the word containing the character preceding the offset; this is the normal case when searching backward.