JavaScript

Exercises Set 13

// Write code below this line
const decipherMessage = (codedMessage) => {

  const words = codedMessage.split(' ');
  const transformedWords = [];
  words.forEach(word => {
    if (word.startsWith('XC') && word.endsWith('QT')) {
      const middlePart = word.slice(2, -2);
      const digitCount = (middlePart.match(/\d/g) || []).length;
      if (digitCount === 3) {
        const transformedWord = middlePart.replace(/\d/g, '');
        transformedWords.push(transformedWord);
      }
    }
  });
  const resultSentence = transformedWords.join(' ');
  console.log(resultSentence);
}