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Regex Tester

Test and debug your regular expressions in real-time.

No Regex Matches

Enter a regex pattern and test text on the left, then click 'Test Regular Expression'.

Quick Reference

Character Classes

\d
Any digit (0-9)
\w
Any word character (a-z, A-Z, 0-9, _)
\s
Any whitespace character
[abc]
Any character a, b, or c
[^abc]
Any character except a, b, or c

Quantifiers

*
0 or more repetitions
+
1 or more repetitions
?
0 or 1 repetition
{n}
Exactly n times
{n,m}
Between n and m times

How to use Regex Tester

01

Enter your data

Fill in the required fields in the tool workspace above.

02

Adjust settings

Customize any options or parameters to fit your needs.

03

Get instant results

Results are calculated in real time as you type.

04

Copy or export

Copy results to clipboard or download with one click.

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