Regex tester

Test regular expressions with live matches and capture groups. Supports flags such as g, i and m.

Runs in your browser · nothing is sentText

Pattern

g (global) i (case-insensitive) m (multiline) s (dotAll)

Test text

2 matches

#1 @5	[email protected] → $1=info, $2=example.com
#2 @24	[email protected] → $1=support, $2=example.org

About this tool

Enter a pattern and test text. All matches and groups appear instantly. The engine is JavaScript’s.

🔒 Your input stays in your browser and is never sent anywhere.

Which regex flavor is this?

JavaScript (ECMAScript). Some PCRE or .NET features behave differently.

String escape & unescapeEscape or unescape text for JSON strings, regular expressions and shell commands. Avoids quoting mistakes.

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