---
title: Substring.UTF8View.Indices
framework: swift
role: symbol
role_heading: Type Alias
path: swift/substring/utf8view/indices-swift.typealias
---

# Substring.UTF8View.Indices

A type that represents the indices that are valid for subscripting the collection, in ascending order.

## Declaration

```swift
typealias Indices = String.UTF8View.Indices
```