csharp [カナ変换]ひらがなをカタカナに

Posted 2021-05-12

using System;
using System.Linq;

public static class Sample
{
  public static string ToKatakana(this string s)
  {
    return new string(s.Select(c => (c >= 'ぁ' && c <= 'ゖ') ? (char)(c + 'ァ' - 'ぁ') : c).ToArray());
  }
}