Created
December 10, 2012 07:27
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文字列のフォーマットチェックとパースを一度に
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| % perl -le 'my $input = "300x250"; print "abort" unless $input =~ /(\d+)x(\d+)/; my ($w, $h) = ($1, $2); print "$1 x $2";' | |
| 300 x 250 |
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