Why do people keep inventing date formats!?! Lightning talk about how date formats turn me into rageguy.

1. Dates

2. Dates
AGGGGHHGGHG!?!?

3. Dates
AGGGGHHGGHG!?!?
- A short talk about how writing
regexes turns me into rageguy

4. Date formats

5. Date formats
• There are so many of them!

6. Date formats
•There are so many of them!
• Why do people keep inventing
them?

7. Date formats
•There are so many of them!
• Why do people keep inventing
them?
• I hate writing regexes

8. ISO8601
2012-06-28T
00:15:46Z

9. ISO8601
2012-06-28T
00:15:46+00:00

10. ISO8601
2012-06-28T
00:15:46.456
+00:00

11. /^(d{4})-(d{2})-
(d{2})T(d{2}):
(d{2}):(d{2})(?:(?:
.|,)(d+))?((?:+|-)d
d:dd)$/

12. ISO8601 is
comparatively
EASY to parse.

13. ISO8601 is
standard, there are
libraries.

14. HTTP
Mon, 20 Dec 1998
01:00:00 GMT

15. HTTP
:(

16. Apache
[27/Jun/2012:23:57:03
+0000]

17. Apache

18. ElasticSearch
[2012-06-26
02:08:26,879]

19. ElasticSearch

20. RabbitMQ
26-Jun-2012::16:18:30

21. RabbitMQ

22. MongoDB
Thu Jun 28 01:02:29

23. MongoDB

24. Syslog
Jun 28 00:17:26

25. Syslog

26. .Net ‘tick’
634763158360000000
100 ns from 1st Jan 1AD
(Except those that are from 3rd Jan)

27. .Net ‘tick’

28. MySQL
120423 12:31:04

29. MySQL

30. Please don’t make me
write more regexes?

31. STOP INVENTING
DATE FORMATS

32. Thanks!