Dates aghhhh!!?!?!?!

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Tomas Doran

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

Technology

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

Date formats

• There are so many of them!

Date formats

•There are so many of them!
• Why do people keep inventing
them?

Date formats

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

ISO8601

2012-06-28T
00:15:46.456
+00:00

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

ISO8601 is
standard, there are
libraries.

ElasticSearch

[2012-06-26
02:08:26,879]

.Net ‘tick’
634763158360000000

100 ns from 1st Jan 1AD
(Except those that are from 3rd Jan)

Please don’t make me
write more regexes?

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Dates aghhhh!!?!?!?!

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!

Dates aghhhh!!?!?!?!

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