Support for Unicode naming see #63

Author: codingseb

CodingSeb.ExpressionEvaluator/ExpressionEvaluator.cs

@@ -1,6 +1,6 @@
 /******************************************************************************************************
     Title : ExpressionEvaluator (https://github.com/codingseb/ExpressionEvaluator)
-    Version : 1.4.13.0 
+    Version : 1.4.13.1 
     (if last digit (the forth) is not a zero, the version is an intermediate version and can be unstable)
 
     Author : Coding Seb
@@ -28,8 +28,7 @@ public partial class ExpressionEvaluator
     {
         #region Regex declarations
 
-        protected const string diactitics = "áàâãåǎăāąæéèêëěēĕėęěìíîïīĭįijóôõöōŏőøðœùúûüǔũūŭůűųýþÿŷıćĉċčçďđĝğġģĥħĵķĺļľŀłńņňŋñŕŗřśŝşšţťŧŵźżžÁÀÂÃÅǍĂĀĄÆÉÈÊËĚĒĔĖĘĚÌÍÎÏĪĬĮIJÓÔÕÖŌŎŐØÐŒÙÚÛÜǓŨŪŬŮŰŲÝÞŸŶIĆĈĊČÇĎĐĜĞĠĢĤĦĴĶĹĻĽĿŁŃŅŇŊÑŔŖŘŚŜŞŠŢŤŦŴŹŻŽß";
-        protected const string diactiticsKeywordsRegexPattern = "a-zA-Z_" + diactitics;
+        protected const string diactiticsKeywordsRegexPattern = @"\p{L}_";
         protected const string primaryTypesGroupPattern = "(?<primaryType>object|string|bool[?]?|byte[?]?|char[?]?|decimal[?]?|double[?]?|short[?]?|int[?]?|long[?]?|sbyte[?]?|float[?]?|ushort[?]?|uint[?]?|ulong[?]?|void)";
         protected const string primaryTypesRegexPattern = "(?<=^|[^" + diactiticsKeywordsRegexPattern + "])" + primaryTypesGroupPattern + "(?=[^a-zA-Z_]|$)";