Regex Tokens
Regular expression tokens and their meanings, with examples and categories.
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10 of 52 records ยท Select a column heading to sort.
| ID | Token | Meaning | Example | Category |
|---|---|---|---|---|
| 1 | . | Matches any character except line terminators | a.c | Character class |
| 2 | \d | Matches any digit from 0 to 9 | \d\d | Character class |
| 3 | \D | Matches any character that is not a digit | \D+ | Character class |
| 4 | \w | Matches any letter, digit, or underscore | \w+ | Character class |
| 5 | \W | Matches any character that is not a word character | \W | Character class |
| 6 | \s | Matches any whitespace character | \s+ | Character class |
| 7 | \S | Matches any character that is not whitespace | \S+ | Character class |
| 8 | [abc] | Matches any one of the characters a, b, or c | [abc] | Character class |
| 9 | [^abc] | Matches any character that is not a, b, or c | [^abc] | Character class |
| 10 | [a-z] | Matches any character in the range a to z | [a-z] | Character class |
Free sample files (up to 10 rows): CSV JSON XML
Scope and sources
Last changed: July 19, 2026. This may reflect a change to the data or its description; it is not a coverage-through 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.
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