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Regex Tester

Enter a pattern, flags, and sample text to see matches and captured groups.

This version focuses on match results.
Use the g flag to inspect all matches.
Matched
Enter a pattern and text to inspect the result immediately.

Match results

Match 1

text: OpenClaw

index: 0

groups: Open, Claw

Match 2

text: OpenClaw

index: 13

groups: Open, Claw

Key features

Pattern / flags / input split
Match index and capture groups
Immediate syntax error feedback

FAQ

What happens without the g flag?

Only the first match is shown.

Can I inspect capture groups?

Yes. Each match includes captured groups.

Regex Tester | 패턴·flags·매치 결과 확인