Code optimization [skip ci]

Author: Cédric Belin

build.cake

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using System.Text.RegularExpressions;
 using static System.IO.File;
 
@@ -31,10 +32,7 @@ Task("test")
 
 Task("version")
 	.Description("Updates the version number in the sources.")
-	.DoesForEach(GetFiles("*/*.csproj"), file => {
-		var pattern = new Regex(@"<Version>\d+(\.\d+){2}</Version>");
-		WriteAllText(file.FullPath, pattern.Replace(ReadAllText(file.FullPath), $"<Version>{version}</Version>"));
-	});
+	.DoesForEach(GetFiles("*/*.csproj"), file => ReplaceInFile(file, @"<Version>\d+(\.\d+){2}</Version>", $"<Version>{version}</Version>"));
 
 Task("default")
 	.Description("The default task.")
@@ -43,3 +41,14 @@ Task("default")
 	.IsDependentOn("build");
 
 RunTarget(target);
+
+/// <summary>
+/// Replaces the specified pattern in a given file.
+/// </summary>
+/// <param name="file">The path of the file to be processed.</param>
+/// <param name="pattern">The regular expression to find.</param>
+/// <param name="replacement">The replacement text.</param>
+/// <param name="options">The regular expression options to use.</param>
+void ReplaceInFile(FilePath file, [StringSyntax(StringSyntaxAttribute.Regex)] string pattern, string replacement, RegexOptions options = RegexOptions.None) {
+	WriteAllText(file.FullPath, Regex.Replace(ReadAllText(file.FullPath), pattern, replacement, options));
+}

src/report.cs

@@ -31,7 +31,7 @@ public static Report Parse(string coverage) {
 		var report = new Report(string.Empty);
 		var sourceFile = new SourceFile(path: string.Empty);
 
-		foreach (var line in new Regex(@"\r?\n").Split(coverage)) {
+		foreach (var line in Regex.Split(coverage, @"\r?\n")) {
 			offset++;
 			if (string.IsNullOrWhiteSpace(line)) continue;