refactor: Use collection expression for array

src/Constants/EnvironmentNames.cs

@@ -6,8 +6,8 @@ namespace DotEnv.Core;
 
 internal class EnvironmentNames
 {
-    public static IReadOnlyList<string> Development { get; } = new[] { "development", "dev"};
-    public static IReadOnlyList<string> Test { get; } = new[] { "test" };
-    public static IReadOnlyList<string> Staging { get; } = new[] { "staging" };
-    public static IReadOnlyList<string> Production { get; } = new[] { "production", "prod"};
+    public static IReadOnlyList<string> Development { get; } = ["development", "dev"];
+    public static IReadOnlyList<string> Test { get; } = ["test"];
+    public static IReadOnlyList<string> Staging { get; } = ["staging"];
+    public static IReadOnlyList<string> Production { get; } = ["production", "prod"];
 }

src/Extensions/StringExtensions.cs

@@ -14,7 +14,7 @@ internal static class StringExtensions
     /// <param name="count">The maximum number of elements expected in the array.</param>
     /// <returns>An array that contains at most count substrings from this instance that are delimited by separator.</returns>
     public static string[] Split(this string str, char separator, int count)
-        => str.Split(new[] { separator }, count);
+        => str.Split([separator], count);
 
     /// <summary>
     /// Determines whether this string instance starts with the specified character. 

src/Loader/EnvLoader.cs

@@ -70,9 +70,9 @@ public IEnvironmentVariablesProvider LoadEnv(out EnvValidationResult result)
         var copyEnvFiles = envFiles.ToArray();
         envFiles.Clear();
 
-        AddOptionalEnvFiles(environment is not null ? new[] { $".env.{environment}.local" } : new[] { EnvDevelopmentLocalName, EnvDevLocalName });
+        AddOptionalEnvFiles(environment is not null ? [$".env.{environment}.local"] : [EnvDevelopmentLocalName, EnvDevLocalName]);
         AddOptionalEnvFiles(EnvLocalName);
-        AddOptionalEnvFiles(environment is not null ? new[] { $".env.{environment}" } : new[] { EnvDevelopmentName, EnvDevName });
+        AddOptionalEnvFiles(environment is not null ? [$".env.{environment}"] : [EnvDevelopmentName, EnvDevName]);
         AddOptionalEnvFiles(EnvName);
 
         // The .env files that were added with the 'AddEnvFile' method are added at the end of the collection.

src/Parser/EnvParser.ConfigurationMethods.cs

@@ -69,7 +69,7 @@ public IEnvParser AllowOverwriteExistingVars()
     public IEnvParser SetCommentChar(char commentChar)
     {
         _configuration.CommentChar = commentChar;
-        _configuration.InlineCommentChars = new[] { $" {commentChar}", $"\t{commentChar}" };
+        _configuration.InlineCommentChars = [$" {commentChar}", $"\t{commentChar}"];
         return this;
     }
 

src/Parser/EnvParser.HelperMethods.cs

@@ -214,7 +214,7 @@ private bool IsQuoted(string text)
     private string RemoveQuotes(string text)
     {
         _ = text ?? throw new ArgumentNullException(nameof(text));
-        return text.Trim().Trim(new[] { SingleQuote, DoubleQuote });
+        return text.Trim().Trim([SingleQuote, DoubleQuote]);
     }
 
     /// <summary>

src/Parser/EnvParser.cs

@@ -9,7 +9,7 @@ namespace DotEnv.Core;
 /// <inheritdoc cref="IEnvParser" />
 public partial class EnvParser : IEnvParser
 {
-    private static readonly string[] s_newLines = new[] { "\r\n", "\n", "\r" };
+    private static readonly string[] s_newLines = ["\r\n", "\n", "\r"];
 
     private const string ExportPrefix = "export ";
     private const char DoubleQuote    = '"';

src/Parser/EnvParserOptions.cs

@@ -48,7 +48,7 @@ internal class EnvParserOptions
     /// Gets or sets the characters indicating the beginning of a inline comment 
     /// that will be used as delimiter in the <see cref="EnvParser.RemoveInlineComment" /> method.
     /// </summary>
-    public string[] InlineCommentChars { get; set; } = new[] { " #", "\t#" };
+    public string[] InlineCommentChars { get; set; } = [" #", "\t#"];
 
     /// <summary>
     /// A character that separates a key-value pair. Its default value is <c>=</c>.