diff --git a/src/GitVersion.Core/Core/RegexPatterns.cs b/src/GitVersion.Core/Core/RegexPatterns.cs
index 821163cfcf..3b57dc5c4f 100644
--- a/src/GitVersion.Core/Core/RegexPatterns.cs
+++ b/src/GitVersion.Core/Core/RegexPatterns.cs
@@ -6,36 +6,36 @@ internal static class RegexPatterns
 {
     internal static class Common
     {
-        public static readonly Regex SwitchArgumentRegex = new(@"/\w+:", RegexOptions.Compiled);
-        public static readonly Regex ObscurePasswordRegex = new("(https?://)(.+)(:.+@)", RegexOptions.Compiled);
+        public static Regex SwitchArgumentRegex { get; } = new(@"/\w+:", RegexOptions.Compiled);
+        public static Regex ObscurePasswordRegex { get; } = new("(https?://)(.+)(:.+@)", RegexOptions.Compiled);
 
         // This regex matches an expression to replace.
         // - env:ENV name OR a member name
         // - optional fallback value after " ?? "
         // - the fallback value should be a quoted string, but simple unquoted text is allowed for back compat
-        public static readonly Regex ExpandTokensRegex = new("""{((env:(?<envvar>\w+))|(?<member>\w+))(\s+(\?\?)??\s+((?<fallback>\w+)|"(?<fallback>.*)"))??}""", RegexOptions.Compiled);
+        public static Regex ExpandTokensRegex { get; } = new("""{((env:(?<envvar>\w+))|(?<member>\w+))(\s+(\?\?)??\s+((?<fallback>\w+)|"(?<fallback>.*)"))??}""", RegexOptions.Compiled);
     }
 
     internal static class MergeMessage
     {
-        public static readonly Regex DefaultMergeMessageRegex = new(@"^Merge (branch|tag) '(?<SourceBranch>[^']*)'(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
-        public static readonly Regex SmartGitMergeMessageRegex = new(@"^Finish (?<SourceBranch>[^\s]*)(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
-        public static readonly Regex BitBucketPullMergeMessageRegex = new(@"^Merge pull request #(?<PullRequestNumber>\d+) (from|in) (?<Source>.*) from (?<SourceBranch>[^\s]*) to (?<TargetBranch>[^\s]*)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
-        public static readonly Regex BitBucketPullv7MergeMessageRegex = new(@"^Pull request #(?<PullRequestNumber>\d+).*\r?\n\r?\nMerge in (?<Source>.*) from (?<SourceBranch>[^\s]*) to (?<TargetBranch>[^\s]*)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
-        public static readonly Regex BitBucketCloudPullMergeMessageRegex = new(@"^Merged in (?<SourceBranch>[^\s]*) \(pull request #(?<PullRequestNumber>\d+)\)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
-        public static readonly Regex GitHubPullMergeMessageRegex = new(@"^Merge pull request #(?<PullRequestNumber>\d+) (from|in) (?:[^\s\/]+\/)?(?<SourceBranch>[^\s]*)(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
-        public static readonly Regex RemoteTrackingMergeMessageRegex = new(@"^Merge remote-tracking branch '(?<SourceBranch>[^\s]*)'(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
-        public static readonly Regex AzureDevOpsPullMergeMessageRegex = new(@"^Merge pull request (?<PullRequestNumber>\d+) from (?<SourceBranch>[^\s]*) into (?<TargetBranch>[^\s]*)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex DefaultMergeMessageRegex { get; } = new(@"^Merge (branch|tag) '(?<SourceBranch>[^']*)'(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex SmartGitMergeMessageRegex { get; } = new(@"^Finish (?<SourceBranch>[^\s]*)(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex BitBucketPullMergeMessageRegex { get; } = new(@"^Merge pull request #(?<PullRequestNumber>\d+) (from|in) (?<Source>.*) from (?<SourceBranch>[^\s]*) to (?<TargetBranch>[^\s]*)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex BitBucketPullv7MergeMessageRegex { get; } = new(@"^Pull request #(?<PullRequestNumber>\d+).*\r?\n\r?\nMerge in (?<Source>.*) from (?<SourceBranch>[^\s]*) to (?<TargetBranch>[^\s]*)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex BitBucketCloudPullMergeMessageRegex { get; } = new(@"^Merged in (?<SourceBranch>[^\s]*) \(pull request #(?<PullRequestNumber>\d+)\)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex GitHubPullMergeMessageRegex { get; } = new(@"^Merge pull request #(?<PullRequestNumber>\d+) (from|in) (?:[^\s\/]+\/)?(?<SourceBranch>[^\s]*)(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex RemoteTrackingMergeMessageRegex { get; } = new(@"^Merge remote-tracking branch '(?<SourceBranch>[^\s]*)'(?: into (?<TargetBranch>[^\s]*))*", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        public static Regex AzureDevOpsPullMergeMessageRegex { get; } = new(@"^Merge pull request (?<PullRequestNumber>\d+) from (?<SourceBranch>[^\s]*) into (?<TargetBranch>[^\s]*)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
     }
 
     internal static class Output
     {
-        public static readonly Regex AssemblyVersionRegex = new(@"AssemblyVersion(Attribute)?\s*\(.*\)\s*");
-        public static readonly Regex AssemblyInfoVersionRegex = new(@"AssemblyInformationalVersion(Attribute)?\s*\(.*\)\s*");
-        public static readonly Regex AssemblyFileVersionRegex = new(@"AssemblyFileVersion(Attribute)?\s*\(.*\)\s*");
-        public static readonly Regex CsharpAssemblyAttributeRegex = new(@"(\s*\[\s*assembly:\s*(?:.*)\s*\]\s*$(\r?\n)?)", RegexOptions.Multiline);
-        public static readonly Regex FsharpAssemblyAttributeRegex = new(@"(\s*\[\s*\<assembly:\s*(?:.*)\>\s*\]\s*$(\r?\n)?)", RegexOptions.Multiline);
-        public static readonly Regex VisualBasicAssemblyAttributeRegex = new(@"(\s*\<Assembly:\s*(?:.*)\>\s*$(\r?\n)?)", RegexOptions.Multiline);
+        public static Regex AssemblyVersionRegex { get; } = new(@"AssemblyVersion(Attribute)?\s*\(.*\)\s*");
+        public static Regex AssemblyInfoVersionRegex { get; } = new(@"AssemblyInformationalVersion(Attribute)?\s*\(.*\)\s*");
+        public static Regex AssemblyFileVersionRegex { get; } = new(@"AssemblyFileVersion(Attribute)?\s*\(.*\)\s*");
+        public static Regex CsharpAssemblyAttributeRegex { get; } = new(@"(\s*\[\s*assembly:\s*(?:.*)\s*\]\s*$(\r?\n)?)", RegexOptions.Multiline);
+        public static Regex FsharpAssemblyAttributeRegex { get; } = new(@"(\s*\[\s*\<assembly:\s*(?:.*)\>\s*\]\s*$(\r?\n)?)", RegexOptions.Multiline);
+        public static Regex VisualBasicAssemblyAttributeRegex { get; } = new(@"(\s*\<Assembly:\s*(?:.*)\>\s*$(\r?\n)?)", RegexOptions.Multiline);
     }
 
     internal static class VersionCalculation
@@ -52,31 +52,31 @@ internal static class VersionCalculation
         //language=regexp
         public const string DefaultNoBumpPattern = @"\+semver:\s?(none|skip)";
 
-        public static readonly Regex DefaultMajorPatternRegex = new(DefaultMajorPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
-        public static readonly Regex DefaultMinorPatternRegex = new(DefaultMinorPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
-        public static readonly Regex DefaultPatchPatternRegex = new(DefaultPatchPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
-        public static readonly Regex DefaultNoBumpPatternRegex = new(DefaultNoBumpPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        public static Regex DefaultMajorPatternRegex { get; } = new(DefaultMajorPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        public static Regex DefaultMinorPatternRegex { get; } = new(DefaultMinorPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        public static Regex DefaultPatchPatternRegex { get; } = new(DefaultPatchPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        public static Regex DefaultNoBumpPatternRegex { get; } = new(DefaultNoBumpPattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
     }
 
     internal static class SemanticVersion
     {
         // uses the git-semver spec https://github.com/semver/semver/blob/master/semver.md
-        public static readonly Regex ParseStrictRegex = new(
+        public static Regex ParseStrictRegex { get; } = new(
             @"^(?<major>0|[1-9]\d*)\.(?<minor>0|[1-9]\d*)\.(?<patch>0|[1-9]\d*)(?:-(?<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$",
             RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        public static readonly Regex ParseLooseRegex = new(
+        public static Regex ParseLooseRegex { get; } = new(
             @"^(?<SemVer>(?<Major>\d+)(\.(?<Minor>\d+))?(\.(?<Patch>\d+))?)(\.(?<FourthPart>\d+))?(-(?<Tag>[^\+]*))?(\+(?<BuildMetaData>.*))?$",
             RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        public static readonly Regex ParseBuildMetaDataRegex = new(
+        public static Regex ParseBuildMetaDataRegex { get; } = new(
             @"(?<BuildNumber>\d+)?(\.?Branch(Name)?\.(?<BranchName>[^\.]+))?(\.?Sha?\.(?<Sha>[^\.]+))?(?<Other>.*)",
             RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        public static readonly Regex FormatBuildMetaDataRegex = new("[^0-9A-Za-z-.]",
+        public static Regex FormatBuildMetaDataRegex { get; } = new("[^0-9A-Za-z-.]",
             RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        public static readonly Regex ParsePreReleaseTagRegex = new(
+        public static Regex ParsePreReleaseTagRegex { get; } = new(
             @"(?<name>.*?)\.?(?<number>\d+)?$",
             RegexOptions.Compiled | RegexOptions.IgnoreCase);
     }