Format & validate

Regex Tester

Test regular expressions against sample text and see every match and group.

Regular expression / / g

g Global i Ignore case m Multiline s Dot matches newline u Unicode

Test string

Contact us at hello@example.com or support@dev-tools.test.
Sales: sales.team@example.org (Mon–Fri)
Not an email: user@localhost

Matches

#	Match	Position	Groups

Replace with Use $1, $2… or $<name> for groups and $& for the whole match.

Result after replacing

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