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  1. void main() {
  2.    const text = 'FOO BAR BAZ ZUZ';
  3.  
  4.    // Conta quantas letras A (em maiusculo), retorna 2
  5.    print('A'.allMatches(text).length);
  6.  
  7.    // Conta quantas letras F (em maiusculo), retorna 1
  8.    print('F'.allMatches(text).length);
  9.  
  10.    // Conta quantas letras Z (em maiusculo), retorna 3
  11.    print('Z'.allMatches(text).length);
  12. }
Success #stdin #stdout 1.11s 126036KB
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https://ideone.com/T5BH2a
language:
Dart (dart 2.3.0)
created:
3 years ago
visibility:
public

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