Regex Builder Visual
Build a simple regex from common pattern options and preview matches.
Build a regex without the syntax
Regex is powerful but its syntax is a barrier. This visual builder lets you assemble a pattern from common options — match an email, digits, a word, a range — and previews the matches, so you can build a working expression without memorizing metacharacters.
It is a gentle on-ramp for people who need a pattern but do not write regex daily, and a quick scaffold for those who do. Pick the pieces, watch what it matches, and copy the generated pattern to use in your code.
Patterns, assembled
Building from common pieces such as email, digits, and ranges lowers the barrier of raw regex syntax. The pattern is assembled in your browser and never uploaded.
Frequently asked questions
What patterns can I build?
Email addresses, whole words, and numbers, combined with | when you pick more than one, with an option to match every occurrence.
Is the email pattern fully accurate?
It matches common addresses, but no regex covers every valid email. For sign-up forms, confirm addresses by sending an email.
Can I copy the regex into my code?
Yes. The pattern uses standard JavaScript syntax, and most other regex engines accept it too.
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