---
title: "localizedStandardContains(_:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/stringprotocol/localizedstandardcontains(_:)"
---

# localizedStandardContains(_:)

Returns a Boolean value indicating whether the string contains the given string, taking the current locale into account.

## Declaration

```swift
func localizedStandardContains<T>(_ string: T) -> Bool where T : StringProtocol
```

## Discussion

Discussion This is the most appropriate method for doing user-level string searches, similar to how searches are done generally in the system.  The search is locale-aware, case and diacritic insensitive.  The exact list of search options applied may change over time.