JavaScript

Regular Expressions

// Write code below

console.log(extractDigits("Hello123World"));
console.log(extractDigits("NoDigitsHere"));
console.log(extractDigits("2021 is the year!"));


// Write code below
const extractDigits = (inputString) => {
  const regex = /\d+/;
  const matches = inputString.match(regex);
  return matches ? matches : [];
};

console.log(extractDigits("Hello123World"));
console.log(extractDigits("NoDigitsHere"));
console.log(extractDigits("2021 is the year!"));
