If you just want to split on "whitespace as close to 76 characters as possible" then you can use:

$finaloutput =~ s/(.{0,76}\s)/$1\r\n/g;

This simply asks for "between zero and 76 characters followed by whitespace". Since it's a greedy match by default it will always grab the most. You may need to change the upper limit to 75 if you want it to be 76 including the space, I don't know if that's the case.

In reply to Easy Solution by Sprenger000
in thread Matching positions with lookarounds by blahblah

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