If you're processing a list of upper-cased names and want to turn them into "properly" cased names, why not just do that?
c:\@Work\Perl\monks>perl -wMstrict -le
"my @names = (
'JAMES SMITH-JONES',
'BOB SMITH-SMYTHE-SMITH',
'J. JONAH JAMESON',
'BILLY BOB THORNTON',
);
;;
for my $name (@names) {
printf qq{'$name' -> };
$name =~ s{ \b ([[:upper:]]+) \b }{\u\L$1}xmsg;
print qq{'$name'};
}
"
'JAMES SMITH-JONES' -> 'James Smith-Jones'
'BOB SMITH-SMYTHE-SMITH' -> 'Bob Smith-Smythe-Smith'
'J. JONAH JAMESON' -> 'J. Jonah Jameson'
'BILLY BOB THORNTON' -> 'Billy Bob Thornton'
Update: See also Falsehoods Programmers Believe About Names.
Give a man a fish: <%-{-{-{-<
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