RosettaCodeData/Task/Pangram-checker/Factor/pangram-checker.factor

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Factor
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2013-04-10 23:57:08 -07:00
: pangram? ( str -- ? )
[ "abcdefghijklmnopqrstuvwxyz" ] dip >lower diff length 0 = ;
"How razorback-jumping frogs can level six piqued gymnasts!" pangram? .