Merge pull request #419 from Dimsday/patch-1

Allow letters from any language in names

XmlSchemaClassGenerator/CodeUtilities.cs

@@ -14,12 +14,12 @@ namespace XmlSchemaClassGenerator
 {
     public static class CodeUtilities
     {
-        private static readonly Regex invalidCharsRgx = new("[^_a-zA-Z0-9]");
+        private static readonly Regex invalidCharsRgx = new(@"[^_\p{L}\p{N}]");
         private static readonly Regex whiteSpace = new(@"(?<=\s)");
-        private static readonly Regex startsWithLowerCaseChar = new("^[a-z]");
-        private static readonly Regex firstCharFollowedByUpperCasesOnly = new("(?<=[A-Z])[A-Z0-9]+$", RegexOptions.None, TimeSpan.FromSeconds(1));
-        private static readonly Regex lowerCaseNextToNumber = new("(?<=[0-9])[a-z]");
-        private static readonly Regex upperCaseInside = new("(?<=[A-Z])[A-Z]+?((?=[A-Z][a-z])|(?=[0-9]))", RegexOptions.None, TimeSpan.FromSeconds(1));
+        private static readonly Regex startsWithLowerCaseChar = new(@"^\p{Ll}");
+        private static readonly Regex firstCharFollowedByUpperCasesOnly = new(@"(?<=\p{Lu})[\p{Lu}\p{N}]+$", RegexOptions.None, TimeSpan.FromSeconds(1));
+        private static readonly Regex lowerCaseNextToNumber = new(@"(?<=\p{N})\p{Ll}");
+        private static readonly Regex upperCaseInside = new(@"(?<=\p{Lu})\p{Lu}+?((?=\p{Lu}\p{Ll})|(?=\p{N}))", RegexOptions.None, TimeSpan.FromSeconds(1));
 
         // Credits: chviLadislav
         // https://stackoverflow.com/questions/18627112/how-can-i-convert-text-to-pascal-case
@@ -485,4 +485,4 @@ private static TypeInfo Make(string @namespace, [CallerMemberName] string name =
 }
 
 //Fixes a bug with VS2019 (https://developercommunity.visualstudio.com/content/problem/1244809/error-cs0518-predefined-type-systemruntimecompiler.html)
-namespace System.Runtime.CompilerServices { internal static class IsExternalInit { } }
+namespace System.Runtime.CompilerServices { internal static class IsExternalInit { } }