---
title: "enumerateLines(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/nsstring/enumeratelines(_:)"
---

# enumerateLines(_:)

Enumerates all the lines in the string.

## Declaration

```swift
func enumerateLines(_ block: @escaping (String, UnsafeMutablePointer<ObjCBool>) -> Void)
```

## Parameters

- `block`: The block executed for the enumeration. The block takes two arguments:

## See Also

### Finding Characters and Substrings

- [contains(_:)](foundation/nsstring/contains(_:).md)
- [localizedCaseInsensitiveContains(_:)](foundation/nsstring/localizedcaseinsensitivecontains(_:).md)
- [localizedStandardContains(_:)](foundation/nsstring/localizedstandardcontains(_:).md)
- [rangeOfCharacter(from:)](foundation/nsstring/rangeofcharacter(from:).md)
- [rangeOfCharacter(from:options:)](foundation/nsstring/rangeofcharacter(from:options:).md)
- [rangeOfCharacter(from:options:range:)](foundation/nsstring/rangeofcharacter(from:options:range:).md)
- [range(of:)](foundation/nsstring/range(of:).md)
- [range(of:options:)](foundation/nsstring/range(of:options:).md)
- [range(of:options:range:)](foundation/nsstring/range(of:options:range:).md)
- [range(of:options:range:locale:)](foundation/nsstring/range(of:options:range:locale:).md)
- [localizedStandardRange(of:)](foundation/nsstring/localizedstandardrange(of:).md)
- [enumerateSubstrings(in:options:using:)](foundation/nsstring/enumeratesubstrings(in:options:using:).md)