Do I need to create an account?

No. ToolHive tools are designed for quick copy-paste use without login.

Can I use it on mobile?

Yes. The tool layout is responsive and works on modern mobile browsers.

ToolHive
Tools
Regex Tester

Regex Tester

Q: Is the Regex Tester private?

Runs locally in your browser. Your input is not uploaded to ToolHive.

Test regular expressions with g, i, and m flags and highlighted matches.

Quickly verify regex patterns against sample text before using them in code.

Regular expression

Test text

3 matches

ToolHive is a toolbox for tool builders.

This tool runs locally in your browser. Your input is not uploaded to ToolHive.

How to Use

Paste or type your input.
Choose the action you need.
Review the result and copy it when ready.

Use Cases

Debug API responses and payloads.

Prepare snippets for documentation or tickets.

Check copied text before sharing it.

FAQ

Related Tools

More tools from the same category for adjacent workflows.

Developer Tools

JSON Formatter / Validator

Format, minify, and validate JSON with clear error messages.

A fast local JSON formatter for API responses, config files, and copied payloads.

json formatter

json validator

Cron Expression Helper

Explain cron expressions and preview upcoming run times.

Understand scheduled jobs with common templates and next execution previews.

cron helper

cron expression

M3U8 / MP4 Online Video Player

Play and test HLS m3u8 streams and direct MP4 URLs in your browser.

A lightweight online video player for checking m3u8 playlists, MP4 files, CORS behavior, and browser playback support without uploading media to ToolHive.

m3u8 player

m3u8 online player