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Re: change [A-Z] to U, [a-z] to L with one regex?

by BrowserUk (Pope)
on Mar 19, 2013 at 11:02 UTC ( #1024261=note: print w/ replies, xml ) Need Help??

in reply to change [A-Z] to U, [a-z] to L with one regex?

$r =~ s[([a-zA-Z])][$1 lt '[' ? 'U' : 'L']ge;;

But this will be vastly more efficient:

$r =~ tr[A-Z][U]; $r =~ tr[a-z][L];

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