# Summary

- [Regex](./regex.md)
  - [Regex match exact text](./regex-match-exact-text.md)
  - [Regex match numbers - capture using parentheses](./regex-match-numbers.md)
  - [Regex capture all the numbers - multiple match](./regex-capture-all-the-numbers.md)
  - [Substitute](./regex-substitute.md)
  - [Compile once](./compile-once.md)
