Grouping numbers (add space)

[OmlineEditor]

Now it's hard to read the numbers from the confirmation code. For the convenience of perception, you need to bruise the numbers, you need to put a space between them.

54794 - Now 547 89 - New type, grouping numbers

547894 - Now 547 894 - New type, grouping numbers

5478947 - Now 547 89 47 - New type, grouping numbers

54789478 - Now hard to read 547 894 78 - New type, grouping numbers

[helloworld1]

That's a good suggestion