Figure out if the second character is a letter of the alphabet?
if (substr ($str, 1, 1) =~ /[[:alpha:]]/) { .. }

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Convert that character to its uppercase form? 
substr ($_, 1, 1) = uc substr ($_, 1, 1);

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Abigail

In reply to Re: Comparing lower to upper case by Abigail-II
in thread Comparing lower to upper case by bobothesmart

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