---
title: "enumerateLines(invoking:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/stringprotocol/enumeratelines(invoking:)"
---

# enumerateLines(invoking:)

Enumerates all the lines in a string.

## Declaration

```swift
func enumerateLines(invoking body: @escaping (String, inout Bool) -> Void)
```