Level 2, Challenge 2 - The Regex Ruckus

You've managed to survive the first two levels of regex games! Congratulations! You're ready for the next challenge.

For this challenge, you'll have to find all instances of \b[A-Z]+\b within the string abcDEFGHIJklmnpqorstuvwxyz. Sounds easy, right?

The answer is: DEFGHIJ