Regex Tester — Live Match Highlighting & Capture Groups

Unknown author · Developer Tools

Open in Chrome Web Store

Users

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Avg rating

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Ratings

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Updated

Aug 4, 2026

Media

1 item

Description

Test regular expressions with live match highlighting and capture groups. Regex Lab is an offline regex playground for developers. Type a pattern and test string to see live match highlighting and capture groups instantly. Pro adds a built-in cheat sheet. Features: • Live match highlighting • Case-insensitive / multiline flags • Capture group breakdown • Live replacement preview with capture-group support

History

30d 90d 1y

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
55
Description length
Characters in the listing description.
410

rating_count is the Chrome Web Store ratings count, not a written-review count.

Media assets

Screenshots and videos on the listing.

Has promo video

Whether the listing includes at least one video.

Languages

Declared language locales.

Developer website

Listing exposes a developer website URL.

Contact email

Listing exposes a contact email.

Yes

Keyword in name

Case-insensitive substring match in the name.

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Keyword in description

Case-insensitive substring match in the description.

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Keyword occurrences in description

Count of case-insensitive occurrences in the description.

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Category user-count percentile

Share of same-category extensions with fewer users (null if unknown).

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These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.