Fix Regex.EnumerateMatches(span, pattern, options) always throwing

src/Polyfill/Regex/RegexPolyfill.cs

@@ -105,7 +105,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
         /// </summary>
         //Link: https://learn.microsoft.com/en-us/dotnet/api/system.text.regularexpressions.regex.enumeratematches?view=net-11.0#system-text-regularexpressions-regex-enumeratematches(system-readonlyspan((system-char))-system-string-system-text-regularexpressions-regexoptions)
         public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-            RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+            RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #endif
 

src/Split/net461/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net462/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net47/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net471/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net472/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net48/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net481/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net5.0/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/net6.0/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/netcoreapp2.0/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/netcoreapp2.1/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/netcoreapp2.2/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/netcoreapp3.0/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/netcoreapp3.1/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/netstandard2.0/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/netstandard2.1/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Split/uap10.0/Regex/RegexPolyfill.cs

@@ -72,7 +72,7 @@ public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, st
 		/// Searches an input span for all occurrences of a regular expression and returns a Regex.ValueMatchEnumerator to iterate over the matches.
 		/// </summary>
 		public static ValueMatchEnumerator EnumerateMatches(ReadOnlySpan<char> input, string pattern, RegexOptions options) =>
-			RegexCache.GetOrAdd(pattern, options, TimeSpan.MaxValue).EnumerateMatches(input);
+			RegexCache.GetOrAdd(pattern, options, Regex.InfiniteMatchTimeout).EnumerateMatches(input);
 #endif
 #if FeatureMemory && FeatureValueTuple
 		public static ValueSplitEnumerator EnumerateSplits(ReadOnlySpan<char> input, string pattern)

src/Tests/PolyfillTests_Regex.cs

@@ -52,6 +52,30 @@ public Task EnumerateMatches()
         return Task.CompletedTask;
     }
 
+    [Test]
+    public async Task EnumerateMatchesStatic_WithOptions()
+    {
+        var results = new List<string>();
+        foreach (var match in Regex.EnumerateMatches("a55B7b".AsSpan(), @"b\d*", RegexOptions.IgnoreCase))
+        {
+            results.Add($"{match.Index}:{match.Length}");
+        }
+
+        await Assert.That(string.Join(" ", results)).IsEqualTo("3:2 5:1");
+    }
+
+    [Test]
+    public async Task EnumerateMatchesStatic_WithOptionsAndTimeout()
+    {
+        var results = new List<string>();
+        foreach (var match in Regex.EnumerateMatches("a55B7b".AsSpan(), @"b\d*", RegexOptions.IgnoreCase, TimeSpan.FromSeconds(10)))
+        {
+            results.Add($"{match.Index}:{match.Length}");
+        }
+
+        await Assert.That(string.Join(" ", results)).IsEqualTo("3:2 5:1");
+    }
+
     [Test]
     public Task EnumerateMatchesStatic()
     {