hmm i can read pos() value during matching, so why can't i set it? Sence of this action is deep control of regexp actions.
And about \G, i have no idea how can \G assertion help me to make work regexp from first post: 
$data =~s/([^\n]{16})/ch($1)/ge;

[download]
Could you, explain how it can help me?

In reply to Re^4: Using pos() inside regexp (no /e) by braveghost
in thread Using pos() inside regexp by braveghost

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