Technology · Reference dataset
Regex Tokens
Regular expression tokens and their meanings, with examples and categories.
Download options
Preview the records
The 10 most recently added of 52 records · Select a column heading to sort.
| ID | Token | Meaning | Example | Category |
|---|---|---|---|---|
| 43 | \) | Matches a literal closing parenthesis | \(a\) | Escape |
| 44 | \[ | Matches a literal opening square bracket | \[a\] | Escape |
| 45 | \{ | Matches a literal opening curly brace | \{a\} | Escape |
| 46 | \| | Matches a literal vertical bar | a\|b | Escape |
| 47 | \^ | Matches a literal caret character | \^abc | Escape |
| 48 | \$ | Matches a literal dollar sign | abc\$ | Escape |
| 49 | \t | Matches a horizontal tab character | a\tb | Escape |
| 50 | \n | Matches a line feed character | a\nb | Escape |
| 51 | \r | Matches a carriage return character | a\rb | Escape |
| 52 | \0 | Matches a NUL character | \0 | Escape |
CSV / JSON / XML
Put this data to work.
All 52 records, in your choice of format.
- This dataset and the rest of the catalog
- Complete CSV, JSON, and XML files
- Category ZIPs and API access
365 days of access to the catalog. One payment, no automatic renewal.
Your key arrives by email after payment. Use it here to download the complete file.
Already have a pass?
Your key is used for this request and is not saved by this page.
Commercial use is allowed, free or paid.
Downloaded a CSV? Convert CSV to JSON, generate SQL inserts, remove duplicate lines, or sort a list with the free tools.
Scope and sources
Last checked against sources: October 16, 2026.
Last changed: July 19, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
- MDN Web Docs: Regular expressions cheatsheet (used with permission)
A complete download includes all 52 records currently held in this dataset. Check the description and sources to decide whether its scope fits your project.
Use this dataset through the API
GET https://mysafeinfo.com/api/data/regextokensChoose a format, sort, or request fewer rows. A pass key gives access to the complete dataset. See the examples and parameters.
Without a pass, sorting and randomization apply only to the fixed 10-row sample.