Regex Tester

Test and debug regular expressions with real-time matching. Works in your browser. Free, no signup.

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Test String

Matches (0)

How to Use Regex Tester

1

Choose & Upload

Enter your regular expression pattern in the top field

2

Convert

Type or paste test text in the input area below

3

Download

View real-time matches highlighted in the text

4

Step 4

Check the match details panel for captured groups and indices

Frequently Asked Questions