Simpify

Author: marcin-golebiowski

src/SpiceSharpParser/Lexers/Expressions/Lexer.cs

@@ -198,7 +198,7 @@ public void Next()
                         number >= 'A' && number <= 'Z'))
                         Continue();
                     break;
-                case char letter when letter >= 'a' && letter <= 'z' || letter >= 'A' && letter <= 'Z' || letter == '_' || letter == '&':
+                case char letter when letter >= 'a' && letter <= 'z' || letter >= 'A' && letter <= 'Z':
                     Type = TokenType.Identifier;
                     Continue();
                     while ((Index < _expression.Length) && ((