Case sensitivity fix

Author: SSlinky

client/src/syntaxes/vba.tmLanguage.yaml

@@ -839,8 +839,8 @@ repository:
   expression:
     # Begins and ends without consuming anything.
     name: meta.expression.vba
-    begin: (?!=\n|\sThen|\)|'|,|:|\s)
-    end: (?=\n|\sThen|\)|'|,|:)
+    begin: (?i)(?!=\n|\sThen|\)|'|,|:|\s)
+    end: (?i)(?=\n|\sThen|\)|'|,|:)
     patterns:
       - include: "#literals"
       - include: "#argumentName"