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( #3333=superdoc: print w/replies, xml ) Need Help??
This works against all your test cases.
sub re_collapse { local $_ = $_[0]; # explode all collapsed in one go s{Re.(\d+).?: } { "Re: " x $1 }ge; # re-collapse (no pun intended) s{ ( (?:Re:\ ) {2,} ) } { "Re(" . length($1)/4 . "): " }xge; return $_; }
A dedicated re_add seems pointless to me since you want to collapse all existing "Re:"s at that point anyway, so I suggest just passing it "Re: $title"; it seems cumbersome to me to implement that functionality using extra code.

Makeshifts last the longest.


In reply to Re: Title Re: collapsing revisited by Aristotle
in thread Title Re: collapsing revisited by Dog and Pony

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