⚡️ RegEx timeout

Author: marthijn

src/Sidio.Text.Slugify/Processors/HyphenProcessor.cs

@@ -11,7 +11,7 @@ public partial class HyphenProcessor : SlugifyProcessor
     private const string Hyphen = "-";
 
 #if !NET7_0_OR_GREATER
-    private static readonly Regex HyphensRegex = new ("\\s", RegexOptions.Compiled);
+    private static readonly Regex HyphensRegex = new("\\s", RegexOptions.Compiled, TimeSpan.FromMilliseconds(ProcessorConstants.RegexMatchTimeoutInMilliseconds));
 #endif
 
     /// <inheritdoc />
@@ -28,7 +28,7 @@ protected override string ProcessInput(string input)
     public override int Order => DefaultProcessorOrder.HyphenProcessor;
 
 #if NET7_0_OR_GREATER
-    [GeneratedRegex("\\s")]
+    [GeneratedRegex("\\s", RegexOptions.None, ProcessorConstants.RegexMatchTimeoutInMilliseconds)]
     private static partial Regex HypensRegex();
 #endif
 }

src/Sidio.Text.Slugify/Processors/MultiSpaceProcessor.cs

@@ -9,7 +9,7 @@ namespace Sidio.Text.Slugify.Processors;
 public partial class MultiSpaceProcessor : SlugifyProcessor
 {
 #if !NET7_0_OR_GREATER
-    private static readonly Regex MultipleSpacesRegex = new ("\\s+", RegexOptions.Compiled);
+    private static readonly Regex MultipleSpacesRegex = new ("\\s+", RegexOptions.Compiled, TimeSpan.FromMilliseconds(ProcessorConstants.RegexMatchTimeoutInMilliseconds));
 #endif
 
     /// <inheritdoc />
@@ -26,7 +26,7 @@ protected override string ProcessInput(string input)
     public override int Order => DefaultProcessorOrder.MultiSpaceProcessor;
 
 #if NET7_0_OR_GREATER
-    [GeneratedRegex("\\s+")]
+    [GeneratedRegex("\\s+", RegexOptions.None, ProcessorConstants.RegexMatchTimeoutInMilliseconds)]
     private static partial Regex MultipleSpacesRegex();
 #endif
 }

src/Sidio.Text.Slugify/Processors/ProcessorConstants.cs

@@ -0,0 +1,6 @@
+namespace Sidio.Text.Slugify.Processors;
+
+internal static class ProcessorConstants
+{
+    public const int RegexMatchTimeoutInMilliseconds = 500;
+}

src/Sidio.Text.Slugify/Processors/RemoveSpecialCharactersProcessor.cs

@@ -9,7 +9,7 @@ namespace Sidio.Text.Slugify.Processors;
 public partial class RemoveSpecialCharactersProcessor : SlugifyProcessor
 {
 #if !NET7_0_OR_GREATER
-    private static readonly Regex InvalidCharacterRegex = new ("[^a-zA-Z0-9\\s-]", RegexOptions.Compiled);
+    private static readonly Regex InvalidCharacterRegex = new ("[^a-zA-Z0-9\\s-]", RegexOptions.Compiled, TimeSpan.FromMilliseconds(ProcessorConstants.RegexMatchTimeoutInMilliseconds));
 #endif
 
     /// <inheritdoc />
@@ -26,7 +26,7 @@ protected override string ProcessInput(string input)
     public override int Order => DefaultProcessorOrder.RemoveSpecialCharactersProcessor;
 
 #if NET7_0_OR_GREATER
-    [GeneratedRegex("[^a-zA-Z0-9\\s-]")]
+    [GeneratedRegex("[^a-zA-Z0-9\\s-]", RegexOptions.None, ProcessorConstants.RegexMatchTimeoutInMilliseconds)]
     private static partial Regex InvalidCharacterRegex();
 #endif
 }