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Refactor RegexPatterns to use properties instead of methods for Regex #4748

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Merged
merged 5 commits into from
Nov 17, 2025
Merged

Refactor RegexPatterns to use properties instead of methods for Regex #4748

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5f7738f
refactors regex patterns for performance
arturcic Nov 16, 2025
d2e5063
centralize regex patterns and add timeout
arturcic Nov 17, 2025
826d8a6
Use property-backed fields for regex initialization
arturcic Nov 17, 2025
aeb6b7e
moves regex cache to bottom of class
arturcic Nov 17, 2025
822fd5e
refactors regex patterns for better access
arturcic Nov 17, 2025
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2 changes: 1 addition & 1 deletion src/GitVersion.App/ArgumentParserExtensions.cs
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Expand Up @@ -41,7 +41,7 @@ public bool IsValidPath()

public bool IsSwitchArgument()
{
var patternRegex = RegexPatterns.Common.SwitchArgumentRegex();
var patternRegex = RegexPatterns.Common.SwitchArgumentRegex;
return value != null
&& (value.StartsWith('-') || value.StartsWith('/'))
&& !patternRegex.Match(value).Success;
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70 changes: 35 additions & 35 deletions src/GitVersion.Core.Tests/Core/RegexPatternTests.cs
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547 changes: 439 additions & 108 deletions src/GitVersion.Core/Core/RegexPatterns.cs
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2 changes: 1 addition & 1 deletion src/GitVersion.Core/Formatting/StringFormatWithExtension.cs
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Expand Up @@ -45,7 +45,7 @@ public string FormatWith<T>(T? source, IEnvironment environment)
var result = new StringBuilder();
var lastIndex = 0;

foreach (var match in RegexPatterns.Common.ExpandTokensRegex().Matches(template).Cast<Match>())
foreach (var match in RegexPatterns.Common.ExpandTokensRegex.Matches(template).Cast<Match>())
{
var replacement = EvaluateMatch(match, source, environment);
result.Append(template, lastIndex, match.Index - lastIndex);
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2 changes: 1 addition & 1 deletion src/GitVersion.Core/Logging/Log.cs
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Expand Up @@ -58,7 +58,7 @@ public IDisposable IndentLog(string operationDescription)

private string FormatMessage(string message, string level)
{
var obscuredMessage = RegexPatterns.Common.ObscurePasswordRegex().Replace(message, "$1$2:*******@");
var obscuredMessage = RegexPatterns.Common.ObscurePasswordRegex.Replace(message, "$1$2:*******@");
var timestamp = $"{DateTime.Now:yy-MM-dd H:mm:ss:ff}";
return string.Format(CultureInfo.InvariantCulture, "{0}{1} [{2}] {3}", this.currentIndentation, level, timestamp, obscuredMessage);
}
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16 changes: 8 additions & 8 deletions src/GitVersion.Core/MergeMessage.cs
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Expand Up @@ -11,14 +11,14 @@ public class MergeMessage
{
private static readonly IList<(string Name, Regex Pattern)> DefaultFormats =
[
new("Default", RegexPatterns.MergeMessage.DefaultMergeMessageRegex()),
new("SmartGit", RegexPatterns.MergeMessage.SmartGitMergeMessageRegex()),
new("BitBucketPull", RegexPatterns.MergeMessage.BitBucketPullMergeMessageRegex()),
new("BitBucketPullv7", RegexPatterns.MergeMessage.BitBucketPullv7MergeMessageRegex()),
new("BitBucketCloudPull", RegexPatterns.MergeMessage.BitBucketCloudPullMergeMessageRegex()),
new("GitHubPull", RegexPatterns.MergeMessage.GitHubPullMergeMessageRegex()),
new("RemoteTracking", RegexPatterns.MergeMessage.RemoteTrackingMergeMessageRegex()),
new("AzureDevOpsPull", RegexPatterns.MergeMessage.AzureDevOpsPullMergeMessageRegex())
new("Default", RegexPatterns.MergeMessage.DefaultMergeMessageRegex),
new("SmartGit", RegexPatterns.MergeMessage.SmartGitMergeMessageRegex),
new("BitBucketPull", RegexPatterns.MergeMessage.BitBucketPullMergeMessageRegex),
new("BitBucketPullv7", RegexPatterns.MergeMessage.BitBucketPullv7MergeMessageRegex),
new("BitBucketCloudPull", RegexPatterns.MergeMessage.BitBucketCloudPullMergeMessageRegex),
new("GitHubPull", RegexPatterns.MergeMessage.GitHubPullMergeMessageRegex),
new("RemoteTracking", RegexPatterns.MergeMessage.RemoteTrackingMergeMessageRegex),
new("AzureDevOpsPull", RegexPatterns.MergeMessage.AzureDevOpsPullMergeMessageRegex)
];

public MergeMessage(string mergeMessage, IGitVersionConfiguration configuration)
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4 changes: 2 additions & 2 deletions src/GitVersion.Core/SemVer/SemanticVersion.cs
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Expand Up @@ -149,7 +149,7 @@ public static bool TryParse(string version, string? tagPrefixRegex,

private static bool TryParseStrict(string version, [NotNullWhen(true)] out SemanticVersion? semanticVersion)
{
var parsed = RegexPatterns.SemanticVersion.ParseStrictRegex().Match(version);
var parsed = RegexPatterns.SemanticVersion.ParseStrictRegex.Match(version);

if (!parsed.Success)
{
Expand All @@ -171,7 +171,7 @@ private static bool TryParseStrict(string version, [NotNullWhen(true)] out Seman

private static bool TryParseLoose(string version, [NotNullWhen(true)] out SemanticVersion? semanticVersion)
{
var parsed = RegexPatterns.SemanticVersion.ParseLooseRegex().Match(version);
var parsed = RegexPatterns.SemanticVersion.ParseLooseRegex.Match(version);

if (!parsed.Success)
{
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4 changes: 2 additions & 2 deletions src/GitVersion.Core/SemVer/SemanticVersionBuildMetaData.cs
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Expand Up @@ -111,7 +111,7 @@ public static SemanticVersionBuildMetaData Parse(string? buildMetaData)
if (buildMetaData.IsNullOrEmpty())
return Empty;

var parsed = RegexPatterns.SemanticVersion.ParseBuildMetaDataRegex().Match(buildMetaData);
var parsed = RegexPatterns.SemanticVersion.ParseBuildMetaDataRegex.Match(buildMetaData);

long? buildMetaDataCommitsSinceTag = null;
long? buildMetaDataCommitsSinceVersionSource = null;
Expand Down Expand Up @@ -147,7 +147,7 @@ public static SemanticVersionBuildMetaData Parse(string? buildMetaData)
private static string FormatMetaDataPart(string value)
{
if (!value.IsNullOrEmpty())
value = RegexPatterns.SemanticVersion.FormatBuildMetaDataRegex().Replace(value, "-");
value = RegexPatterns.SemanticVersion.FormatBuildMetaDataRegex.Replace(value, "-");
return value;
}
}
2 changes: 1 addition & 1 deletion src/GitVersion.Core/SemVer/SemanticVersionPreReleaseTag.cs
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Expand Up @@ -70,7 +70,7 @@ public static SemanticVersionPreReleaseTag Parse(string? preReleaseTag)
{
if (preReleaseTag.IsNullOrEmpty()) return Empty;

var match = RegexPatterns.SemanticVersion.ParsePreReleaseTagRegex().Match(preReleaseTag);
var match = RegexPatterns.SemanticVersion.ParsePreReleaseTagRegex.Match(preReleaseTag);
if (!match.Success)
{
// TODO check how to log this
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16 changes: 8 additions & 8 deletions src/GitVersion.Core/VersionCalculation/IncrementStrategyFinder.cs
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Expand Up @@ -49,10 +49,10 @@ public VersionField DetermineIncrementedField(
{
commits.NotNull();

var majorRegex = TryGetRegexOrDefault(configuration.MajorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMajorRegex());
var minorRegex = TryGetRegexOrDefault(configuration.MinorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMinorRegex());
var patchRegex = TryGetRegexOrDefault(configuration.PatchVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultPatchRegex());
var noBumpRegex = TryGetRegexOrDefault(configuration.NoBumpMessage, RegexPatterns.VersionCalculation.DefaultNoBumpRegex());
var majorRegex = TryGetRegexOrDefault(configuration.MajorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMajorRegex);
var minorRegex = TryGetRegexOrDefault(configuration.MinorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMinorRegex);
var patchRegex = TryGetRegexOrDefault(configuration.PatchVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultPatchRegex);
var noBumpRegex = TryGetRegexOrDefault(configuration.NoBumpMessage, RegexPatterns.VersionCalculation.DefaultNoBumpRegex);

var increments = commits
.Select(c => GetIncrementFromCommit(c, majorRegex, minorRegex, patchRegex, noBumpRegex))
Expand Down Expand Up @@ -209,10 +209,10 @@ public VersionField GetIncrementForcedByCommit(ICommit commit, IGitVersionConfig
commit.NotNull();
configuration.NotNull();

var majorRegex = TryGetRegexOrDefault(configuration.MajorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMajorRegex());
var minorRegex = TryGetRegexOrDefault(configuration.MinorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMinorRegex());
var patchRegex = TryGetRegexOrDefault(configuration.PatchVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultPatchRegex());
var none = TryGetRegexOrDefault(configuration.NoBumpMessage, RegexPatterns.VersionCalculation.DefaultNoBumpRegex());
var majorRegex = TryGetRegexOrDefault(configuration.MajorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMajorRegex);
var minorRegex = TryGetRegexOrDefault(configuration.MinorVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultMinorRegex);
var patchRegex = TryGetRegexOrDefault(configuration.PatchVersionBumpMessage, RegexPatterns.VersionCalculation.DefaultPatchRegex);
var none = TryGetRegexOrDefault(configuration.NoBumpMessage, RegexPatterns.VersionCalculation.DefaultNoBumpRegex);

return GetIncrementFromCommit(commit, majorRegex, minorRegex, patchRegex, none) ?? VersionField.None;
}
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6 changes: 3 additions & 3 deletions src/GitVersion.MsBuild/Helpers/AssemblyInfoFileHelper.cs
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Expand Up @@ -44,9 +44,9 @@ private static bool FileContainsVersionAttribute(IFileSystem fileSystem, string

var (attributeRegex, triviaRegex) = compileFileExtension switch
{
".cs" => (CSharp.AttributeRegex(), CSharp.TriviaRegex()),
".fs" => (FSharp.AttributeRegex(), FSharp.TriviaRegex()),
".vb" => (VisualBasic.AttributeRegex(), VisualBasic.TriviaRegex()),
".cs" => (CSharp.AttributeRegex, CSharp.TriviaRegex),
".fs" => (FSharp.AttributeRegex, FSharp.TriviaRegex),
".vb" => (VisualBasic.AttributeRegex, VisualBasic.TriviaRegex),
_ => throw new WarningException("File with name containing AssemblyInfo could not be checked for assembly version attributes which conflict with the attributes generated by GitVersion " + compileFile)
};

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12 changes: 6 additions & 6 deletions src/GitVersion.Output/AssemblyInfo/AssemblyInfoFileUpdater.cs
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Expand Up @@ -17,9 +17,9 @@ internal sealed class AssemblyInfoFileUpdater(ILog log, IFileSystem fileSystem)

private readonly Dictionary<string, Regex> assemblyAttributeRegexes = new()
{
[".cs"] = RegexPatterns.Output.CsharpAssemblyAttributeRegex(),
[".fs"] = RegexPatterns.Output.FsharpAssemblyAttributeRegex(),
[".vb"] = RegexPatterns.Output.VisualBasicAssemblyAttributeRegex()
[".cs"] = RegexPatterns.Output.CsharpAssemblyAttributeRegex,
[".fs"] = RegexPatterns.Output.FsharpAssemblyAttributeRegex,
[".vb"] = RegexPatterns.Output.VisualBasicAssemblyAttributeRegex
};

private const string NewLine = "\r\n";
Expand Down Expand Up @@ -65,17 +65,17 @@ public void Execute(GitVersionVariables variables, AssemblyInfoContext context)

if (!assemblyVersion.IsNullOrWhiteSpace())
{
fileContents = ReplaceOrInsertAfterLastAssemblyAttributeOrAppend(RegexPatterns.Output.AssemblyVersionRegex(), fileContents, assemblyVersionString, assemblyInfoFile.Extension, ref appendedAttributes);
fileContents = ReplaceOrInsertAfterLastAssemblyAttributeOrAppend(RegexPatterns.Output.AssemblyVersionRegex, fileContents, assemblyVersionString, assemblyInfoFile.Extension, ref appendedAttributes);
}

if (!assemblyFileVersion.IsNullOrWhiteSpace())
{
fileContents = ReplaceOrInsertAfterLastAssemblyAttributeOrAppend(RegexPatterns.Output.AssemblyFileVersionRegex(), fileContents, assemblyFileVersionString, assemblyInfoFile.Extension, ref appendedAttributes);
fileContents = ReplaceOrInsertAfterLastAssemblyAttributeOrAppend(RegexPatterns.Output.AssemblyFileVersionRegex, fileContents, assemblyFileVersionString, assemblyInfoFile.Extension, ref appendedAttributes);
}

if (!assemblyInfoVersion.IsNullOrWhiteSpace())
{
fileContents = ReplaceOrInsertAfterLastAssemblyAttributeOrAppend(RegexPatterns.Output.AssemblyInfoVersionRegex(), fileContents, assemblyInfoVersionString, assemblyInfoFile.Extension, ref appendedAttributes);
fileContents = ReplaceOrInsertAfterLastAssemblyAttributeOrAppend(RegexPatterns.Output.AssemblyInfoVersionRegex, fileContents, assemblyInfoVersionString, assemblyInfoFile.Extension, ref appendedAttributes);
}

if (appendedAttributes)
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2 changes: 1 addition & 1 deletion src/GitVersion.Testing/Helpers/ParticipantSanitizer.cs
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Expand Up @@ -12,7 +12,7 @@ public static string SanitizeParticipant(string participant)
{
GuardAgainstInvalidParticipants(participant);

return RegexPatterns.Output.SanitizeParticipantRegex().Replace(participant, "_");
return RegexPatterns.Output.SanitizeParticipantRegex.Replace(participant, "_");
}

private static void GuardAgainstInvalidParticipants(string participant)
Expand Down