Regex Tester is an interactive, real-time utility that allows developers to write, test, and debug Regular Expressions (Regex). Input your pattern and a test string to see matching results instantly.
| Pattern | Description | Example |
|---|---|---|
\d |
Any number from 0 to 9 | Extract "3" from "Nedhal 23" |
\w |
Any English letter, number, or underscore "_" | Fully matching words and texts |
\s |
any empty space (Space) | Useful to search for spaces between words |
+ |
Repeat the previous code once or more | "\d+" Brings all consecutive numbers |
[a-z] |
Any English letter from a to z | Only small letters match |
[A-Z] |
Which is a large letter from A to Z | only match uppercase |
. |
Any character, symbol, or number, except for the new line | Useful to find anything |
It utilizes the native JavaScript RegExp engine, which runs lightning-fast and complies fully with modern ECMAScript standards for frontend and backend development.
Yes, the tool handles advanced patterns, global flags, and capture groups locally, highlighting exact matches as you type without reloading the page.