# RegexStreamNamespacePredicate

Package: [Microsoft.Orleans.Streaming](/orleans/docs/api/csharp/microsoft.orleans.streaming/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Streaming) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Predicates/RegexStreamNamespacePredicate.cs#L10)

```csharp
public class RegexStreamNamespacePredicate : IStreamNamespacePredicate
```

[IStreamNamespacePredicate](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamnamespacepredicate/) implementation allowing to filter stream namespaces by regular expression.

## Constructors

- [RegexStreamNamespacePredicate(string)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.regexstreamnamespacepredicate/constructors/constructor-string-323da89b/)

## Properties

- [PredicatePattern](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.regexstreamnamespacepredicate/properties/predicatepattern-29605b09/)

## Methods

- [IsMatch(string)](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.regexstreamnamespacepredicate/methods/ismatch-string-3b3cff2d/)