#397

Author: wnm3

src/main/antlr4/com/api/jsonata4java/expressions/generated/MappingExpression.g4

@@ -155,7 +155,7 @@ OR : 'or';
 VAR_ID : '$' ID ;
 
 ID
-	: [\p{L}_] [\p{L}0-9_]*
+	: [\p{L}_] [\p{L}0-9_$]*
 	| BACK_QUOTE ~[`]* BACK_QUOTE;