Data & Formatstext41.2K runs

Regex Generator

Patterns with test cases and a plain-English breakdown

Describe what you need to match and get the pattern, a piece-by-piece explanation, and matching/non-matching test cases. Flavours for PCRE, JavaScript, Python and .NET.

What do you need?

Press ⌘↵ to generate. Redact secrets before pasting.

Flavour

Try one of these

Output appears here

Describe your task on the left, or pick one of the examples. Output arrives with syntax highlighting, a copy button and a download.

What happens to what you paste

Prompts are processed and discarded — nothing is stored after the response.
No prompt or output becomes training data. Ever.
The JSON Formatter runs entirely in your browser; nothing is sent at all.
Redact secrets anyway — good hygiene beats good policy.

Data & Formats

SQL Generator

Queries, indexes and migrations from intent

Open

YAML Generator

Pipelines, manifests and policies — valid on first paste

Open

JSON Formatter

Format, validate, diff and convert — locally

Open

See all 17 tools

Fine-tune this on your own library

Professional and above train the generators against your reviewed scripts, so output matches your house conventions exactly.

Book a demo View pricing

Loading_