Not sure if you mean a regex to apply to your perl source to change the code or something to put in your code to change @array1.

If the latter, 

my @array1 = map ucfirst, @array;

[download]
does it; no regex necessary.

In reply to Re: Capitalize the 1st letter of each word by ysth
in thread Capitalize the 1st letter of each word by TASdvlper

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