Regular Expressions

  1. What are Regular Expressions (aka. Regexes)?
  2. What are Regular Expressions good for?
  3. Examples
  4. Where can I use it ?
  5. grep
  6. Regexes first match
  7. Match numbers
  8. Capture
  9. Capture more
  10. Capture even more
  11. findall
  12. findall with capture
  13. findall with capture more than one
  14. Any Character
  15. Match dot
  16. Character classes
  17. Common characer classes
  18. Character classes summary
  19. Match digits
  20. Word Characters
  21. Negated character class