I don't quite undrestand your question, but 

$w = "ThisIsTheHouseThatJackBuilt"; $w = join " ", $w =~ /[[:upper:]][
+^[:upper:]]*/g; print $w, $/;

[download]
gives 
This Is The House That Jack Built

[download]

In reply to Re: Splitting on non-initial uppercase without split by ambrus
in thread Splitting on non-initial uppercase without split by loris

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