Well your action is all in the RE, so you don't have to do anything in your loop. But you need something there else you wouldn't have a loop.

1 just happens to be a convenient useless thing you can calculate in the body of the loop. Put anything useless there and it will work. But 1 is kind of traditional.

In reply to Re (tilly) 1: Regular expression by tilly
in thread Regular expression by nysus

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