Regex playground

Build a pattern from examples or blocks, test it against your own data and get every part explained. Everything runs in your browser.

Examples

/ /

Building blocks, click to insert

Test data

Matches (0)

Explain this pattern

Pick an example or build a pattern from the blocks; matches highlight live in the test data as you type. The pattern is checked while you write, and "Explain this pattern" breaks it down piece by piece.