Regex Tester

Test patterns, flags, groups and replacements in real time.

Text is analyzed only in your browser

Regular expression

Flags

Test textReplacement (optional)

Matches 2

#1 · 9

hello@seeft.it

{"name":"hello","domain":"seeft.it"}

#2 · 31

support@example.com.

{"name":"support","domain":"example.com."}

Replacement preview

Scrivi a hello [at] seeft.it oppure support [at] example.com.

Test JavaScript regular expressions against your text and inspect positions, named groups and replacement previews without sending content to a server.