| Date | Name | Who | What |
|---|---|---|---|
| 2013-11-30 04:10:30 | Based numbers | pooryorick | reference |
| 2012-09-10 14:38:50 | ISBN | LkpPo | reference |
| 2019-08-11 16:46:30 | RS | pooryorick | reference |
| 2009-03-18 15:24:53 | UIC vehicle number validator | LVwikignoming | reference |
| 2014-09-08 15:59:36 | Validating Credit Card Check Digits | carlmgregoryhomegmailcom | reference |