dotnet-core/release-notes/2.1/api-diff/2.0-vs-2.1_System.Text.RegularExpressions.md

System.Text.RegularExpressions

 namespace System.Text.RegularExpressions {
     public class Regex : ISerializable {
+        public static void CompileToAssembly(RegexCompilationInfo[] regexinfos, AssemblyName assemblyname);
+        public static void CompileToAssembly(RegexCompilationInfo[] regexinfos, AssemblyName assemblyname, CustomAttributeBuilder[] attributes);
+        public static void CompileToAssembly(RegexCompilationInfo[] regexinfos, AssemblyName assemblyname, CustomAttributeBuilder[] attributes, string resourceFile);
     }
+    public class RegexCompilationInfo {
+        public RegexCompilationInfo(string pattern, RegexOptions options, string name, string fullnamespace, bool ispublic);
+        public RegexCompilationInfo(string pattern, RegexOptions options, string name, string fullnamespace, bool ispublic, TimeSpan matchTimeout);
+        public bool IsPublic { get; set; }
+        public TimeSpan MatchTimeout { get; set; }
+        public string Name { get; set; }
+        public string Namespace { get; set; }
+        public RegexOptions Options { get; set; }
+        public string Pattern { get; set; }
+    }
 }