Constructeur de regex

Construire et tester des expressions regulieres visuellement

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Quick Add Patterns

Regex Cheat Sheet

Characters

. Any character

\d Digit (0-9)

\w Word character

\s Whitespace

\b Word boundary

Quantifiers

* 0 or more

+ 1 or more

? 0 or 1

{'{'}n{'}'} Exactly n

{'{'}n,m{'}'} n to m

Anchors

^ Start of string

$ End of string

Groups

(abc) Capture group

(?:abc) Non-capture

a|b Or

About Constructeur de regex

Construire et tester des expressions regulieres visuellement

Use this free online outils de programmation tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.

Processing

This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.