Regex Tester

Test your regular expressions against sample text with real-time match highlighting.

Regular Expression

Regular Expression Pattern:

Regex Flags:

Global (g)

Case Insensitive (i)

Multiline (m)

Dot All (s)

Words

Numbers

Email

URL

Phone

UUID

Common Regex Patterns

\d - Digit character
\w - Word character (letter, digit, underscore)
\s - Whitespace character
. - Any character except newline
[abc] - Any of a, b, or c
[^abc] - Not a, b, or c
^ - Start of string
$ - End of string
* - 0 or more repetitions
+ - 1 or more repetitions
? - 0 or 1 repetition
{n} - Exactly n repetitions

Test Text & Results

Test Text:

Matches Found

0

Pattern

//

Match Results:

No matches yet. Test your regex to see results.

How to Use

Enter a regular expression pattern in the input field
Select appropriate flags for your regex
Enter text to test against in the text area
Click "Test Regex" to see matches highlighted
Use preset patterns for common use cases
Copy matches to clipboard for further analysis