You can get it down another 6 chars to 41 by a little rewriting, and the $ in the regex and final semi-colon aren't needed: 
shift;/1\d/?0:qw(0 st nd rd)[$_%10]or'th'

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.02

cLive ;-)

In reply to Re: English Date-Suffixes by cLive ;-)
in thread English Date-Suffixes by Cody Pendant

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