Perhaps split using a look-ahead?

$ perl -E '
> $str = q{471234973798375754773971832374974447889743725345932};
> say for split m{(?=47)}, $str;'
47123497379837575
47739718323749744
47889743725345932
$

[download]

Cheers,

JohnGG

In reply to Re: print number of characters after specific character by johngg
in thread print number of characters after specific character by amparida

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