---
title: "folding(options:locale:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/stringprotocol/folding(options:locale:)"
---

# folding(options:locale:)

Returns a string with the given character folding options applied.

## Declaration

```swift
func folding(options: String.CompareOptions = [], locale: Locale?) -> String
```