$_ = '01234567890';

push @a, $1 while s/(.{1,4})//;

[download]
 update
didn't read the task properly. my bad sorry
new solution:
$_ = '01234abc';

$_ = $2.$', push @a, $& while /(.)(.{3})/;

[download]

In reply to Re: How can I split a string into chunks of 4 characters by Lennotoecom
in thread How can I split a string into chunks of 4 characters by PetreAdi

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