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Regex
Test one JavaScript regular expression against pasted text
Enter a JS regex pattern, optional flags, and test text to review matches, capture groups, and compile errors locally.
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At a glance
What this tool section is for
A quick way to understand who this helps, what it solves, and where it connects next.
Best fit
Developers, technical founders, operators, and power users testing small regex patterns quickly.
Ideal for
Fast JavaScript regex checks when the job is matching and group inspection, not a full replace workflow.
Why it belongs here
Capture regex-tester-lite intent with an honest JavaScript-only regex tester.
Closest product path
Cleanor and Another You and Cleanor
Details
How this should help in practice
These sections explain the job in plain language and set expectations for what the tool should do well.
Why this is intentionally lite
A narrow regex tester is still very useful when it stays honest about scope. This page focuses on JavaScript regex compile and match inspection only.
FAQ
Common questions
Short answers for the questions people usually have before trying a utility like this.
Does it support replace mode?
No. The first version is match-focused only.
Is this multi-engine?
No. It tests JavaScript regular expressions only in v1.
Access
Credits and account access
Browser tools stay credit-based across the ladder: guests get a small daily balance, signed-in users start with monthly browser and AI pools, and paid tiers expand both balances as usage grows.
Status
Checking access.
Available now
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Upgrade path
Resolving the account ladder and current credit window for this browser.