GitHub Issue 916: Copying/pasting in the grid doesn't always act as expected (#7510)

Author: XingY

api/src/org/labkey/api/util/PageFlowUtil.java

@@ -2673,10 +2673,15 @@ else if (peek(pos, charArray) == '"')
 
     // Google Sheets compatible version of joinValuesToString()
     public static String joinValuesToStringForExport(@NotNull List<String> values)
+    {
+        return joinValuesToStringForExport(values, ", ");
+    }
+
+    public static String joinValuesToStringForExport(@NotNull List<String> values, String delimiter)
     {
         return values.stream()
                 .map(value -> null==value ? "" : shouldEscapeForExport(value) ? "\"" + Strings.CS.replace(value,"\"", "\"\"") + "\"": value)
-                .collect(Collectors.joining(", "));
+                .collect(Collectors.joining(delimiter));
     }
 
     private static boolean shouldEscapeForExport(@NotNull String value)