.NET API Catalog

RegularExpressionAttribute

net9.0
    namespace System.ComponentModel.DataAnnotations
{
    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, AllowMultiple = false)]
    public class RegularExpressionAttribute : ValidationAttribute
    {
        public TimeSpan MatchTimeout { get; }
    }
}

Information specific to `net9.0`
Design Reviews	dotnet/runtime#14336 4 years ago (Approved)
.NET	7.08.09.0
Assembly	System.ComponentModel.Annotations , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a
Referencing	The API is automatically referenced.
Platform Restrictions	The property getter is supported on all platforms.

Built-in API
Package-provided API