---
title: NSComparisonPredicate.Operator.in
framework: foundation
role: symbol
role_heading: Case
path: foundation/nscomparisonpredicate/operator/in
---

# NSComparisonPredicate.Operator.in

A predicate to determine if the left hand side is in the right hand side.

## Declaration

```swift
case `in`
```

## Discussion

Discussion For strings, returns true if the left hand side is a substring of the right hand side . For collections, returns true if the left hand side is in the right hand side .

## See Also

### Constants

- [NSComparisonPredicate.Operator.lessThan](foundation/nscomparisonpredicate/operator/lessthan.md)
- [NSComparisonPredicate.Operator.lessThanOrEqualTo](foundation/nscomparisonpredicate/operator/lessthanorequalto.md)
- [NSComparisonPredicate.Operator.greaterThan](foundation/nscomparisonpredicate/operator/greaterthan.md)
- [NSComparisonPredicate.Operator.greaterThanOrEqualTo](foundation/nscomparisonpredicate/operator/greaterthanorequalto.md)
- [NSComparisonPredicate.Operator.equalTo](foundation/nscomparisonpredicate/operator/equalto.md)
- [NSComparisonPredicate.Operator.notEqualTo](foundation/nscomparisonpredicate/operator/notequalto.md)
- [NSComparisonPredicate.Operator.matches](foundation/nscomparisonpredicate/operator/matches.md)
- [NSComparisonPredicate.Operator.like](foundation/nscomparisonpredicate/operator/like.md)
- [NSComparisonPredicate.Operator.beginsWith](foundation/nscomparisonpredicate/operator/beginswith.md)
- [NSComparisonPredicate.Operator.endsWith](foundation/nscomparisonpredicate/operator/endswith.md)
- [NSComparisonPredicate.Operator.customSelector](foundation/nscomparisonpredicate/operator/customselector.md)
- [NSComparisonPredicate.Operator.contains](foundation/nscomparisonpredicate/operator/contains.md)
- [NSComparisonPredicate.Operator.between](foundation/nscomparisonpredicate/operator/between.md)