Dataset pack
Contact emails
Emails with padding and mixed case, including dots and plus tags that must be kept.
Fictional data · UTF-8 CSV, every value quoted so padding and leading zeros survive; empty fields are missing values · free for personal and classroom practice · practise it in Normalize emails under a declared policy.
contacts 12 rows × 2 columns
Download contacts.csvData dictionary
- id
- Unique contact ID.
- ASCII email address with possible padding and mixed case.
| id | |
|---|---|
| "c2e40" | "\ts.am@Shop.Example.net " |
| "co4rf" | " carol_99@MAIL.example.org " |
| "cf5co" | "Sam+offers@example.COM" |
| "c3vyo" | " carol_99@Example.com " |
| "cgbcs" | "\tbob@example.com\t" |
| "cmnxs" | " Sam+offers@Shop.Example.net " |
Values are shown in quotes so leading and trailing spaces are visible. ∅ means the cell is missing. Exercises are also graded on hidden datasets that are never published.