C#计算字符串中元音和辅音的数量

using System;

public class Demo {
   public static void Main() {
      string myStr;
      int i, len, vowel_count, cons_count;

      myStr = "Jack Sparrow";

      vowel_count = 0;
      cons_count = 0;

      // find length
      len = myStr.Length;

      for(i=0; i<len; i++) {
         if(myStr[i] =='a' || myStr[i]=='e' || myStr[i]=='i' || myStr[i]=='o' || myStr[i]=='u' || myStr[i]=='A'
            || myStr[i]=='E' || myStr[i]=='I' || myStr[i]=='O' || myStr[i]=='U') {
            vowel_count++;
         } else if((myStr[i]>='a' && myStr[i]<='z') || (myStr[i]>='A' && myStr[i]<='Z')) {
            cons_count++;
         }
      }
      Console.Write("nVowel in the string: {0}n", vowel_count);
      Console.Write("Consonant in the string: {0}nn", cons_count);
   }
}

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