Further learning

• Spread operator: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax
  
• Guide to regular expressions: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions
• JSX spread attributes: https://reactjs.org/docs/jsx-in-depth.html#spread-attributes
• Using reduce effectively: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce