10 lines
238 B
Elixir
10 lines
238 B
Elixir
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defmodule Isogram do
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@doc """
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Determines if a word or sentence is an isogram
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"""
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@isogram ~r/(\w).*\1/i
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@spec isogram?(String.t()) :: boolean
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def isogram?(sentence), do: !Regex.match?(@isogram, String.downcase(sentence))
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end
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