9 lines
431 B
Text
9 lines
431 B
Text
Soundex[ input_ ] := Module[{x = input, head, body},
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{head, body} = {First@#, Rest@#}&@ToLowerCase@Characters@x;
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body = (Select[body, FreeQ[Characters["aeiouyhw"],#]&] /. {("b"|"f"|"p"|"v")->1,
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("c"|"g"|"j"|"k"|"q"|"s"|"x"|"z")->2, ("d"|"t")->3,"l"->4 ,("m"|"n")->5, "r"->6});
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If[Length[body] < 3,
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body = PadRight[body, 3],
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body = DeleteDuplicates[body]
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];
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StringJoin @@ ToString /@ PrependTo[ body[[1 ;; 3]], ToUpperCase@head]]
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