Regex Builder

Visual regex builder with preset patterns, component selection, generated regex with explanation, and test field.

Visual BuilderPresetsLive TestingFree

Presets

Build Components

Or type regex directly

Generated Regex

gim

/.../g

Test String

Frequently Asked Questions

What presets are available?

Email, URL, Phone (US), Date, IPv4, Hex Color, Integer, and Float patterns are included as ready-to-use presets.

Can I test my regex?

Yes! Enter test text at the bottom and matching portions will be highlighted in yellow.

What flags are supported?

Global (g), case-insensitive (i), and multiline (m) flags can be toggled independently.

Free online tools for images, PDFs, text, code, and more. All running in your browser.