Let’s continue learning how to write idiomatic Kotlin code by solving the Advent of Code 2020 tasks!*

Today, we’re discussing the solution for the day 2 task.

We are looking at string utility functions, regular expressions, operations on collections, and how the “let” function helps to transform the expression nicely to the form you need.

• 0:00 Intro
• 0:35 Day 2 task description
• 1:10 Policy in Part I
• 1:45 Policy in Part II
• 2:29 Reading input
• 4:12 Parsing input: using utility functions on Strings
• 6:47 Parsing input: using regular expressions
• 8:46 Password validation: Part I
• 9:36 Password validation: Part II
• 10:31 Conclusion

Please let us know if you find this format useful and would like us to provide solutions for more difficult tasks!

GitHub project → https://github.com/Kotlin-hands-on/advent-of-code-2020

Shirts and Gifts for You, Your Friends & Loved ☞ https://bit.ly/36PHvXY

#kotlin