Or still using split, you can just drop every second element from the result list: 
$ perl -le '@l = grep {$i++ % 2} split /(..)/, "010203040506"; print j
+oin "|", @l'

[download]
But the solutions provided by other monks are definitely nicer.

In reply to Re: Split on every second character by rubasov
in thread Split on every second character by gri6507

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