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src/Workspaces/Core/Portable/EmbeddedLanguages/RegularExpressions/RegexParser.cs

@@ -1424,7 +1424,11 @@ private RegexPrimaryExpressionNode ParseSingleCharacterClassComponent(bool isFir
                         return ParseEscape(backslashToken, allowTriviaAfterEnd: false);
 
                     case '-':
-                        // trivia is not allowed anywhere in a character class
+                        // trivia is not allowed anywhere in a character class.
+
+                        // We just let the basic consumption code pull out a token for us, we then
+                        // convert that to text since we treat all characters after the - as text no
+                        // matter what.
                         return new RegexSimpleEscapeNode(
                             backslashToken, ConsumeCurrentToken(allowTrivia: false).With(kind: RegexKind.TextToken));