Algorithm Challenge Week 28 individual task

28.js

const readline = require('readline');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

const digits = {
  '1': /O.*N.*E/,
  '2': /T.*W.*O/,
  '3': /T.*H.*R.*E.*E/,
  '4': /F.*O.*U.*R/,
  '5': /F.*I.*V.*E/,
  '6': /S.*I.*X/,
  '7': /S.*E.*V.*E.*N/,
  '8': /E.*I.*G.*H.*T/,
  '9': /N.*I.*N.*E/
};

rl.question('Enter a word: ', answer => {
  let containsDigit = false;

  for (const i in digits) {
    if (answer.match(digits[i])) {
      console.log(i);
      containsDigit = true;
    }
  }

  if (!containsDigit) {
    console.log('NO');
  }

  rl.close();
});