Choose Common Patterns
Start from practical regex templates for emails, URLs, UUIDs, slugs, hex colors, numbers, dates, and simple custom contains matches.
Regex Generator
Generate regular expressions for common patterns like email, URL, phone, slug, hex color, UUID, numbers, and custom text.
regex generatorregular expression generatorregex pattern generatorregex builder
Browser basedNo signupCopy-ready output
Build a regular expression
Output
Generated output will appear here.
Tune Anchors and Flags
Add start and end anchors, choose case-insensitive matching, and test the generated expression against sample text.
Copy Ready Output
The tool returns the regex literal, raw pattern, flags, and sample matches so you can paste the result into code with more confidence.
Frequently Asked Questions
Can this generate every possible regex?
It focuses on common web and developer patterns. Complex grammars may still need a hand-written expression or parser.
Does the regex generator test matches?
Yes. It runs the generated pattern against your sample text and shows the matches it finds.