>_ Regex Tester

Test regular expressions in real-time with match highlighting

// pattern

// flags

// test string

2 matches2 capture groups

#1 "[email protected]" at 0

$1: "user"

$2: "example.com"

#2 "[email protected]" at 17

$1: "admin"

$2: "test.org"

// learn

A regular expression (regex) is a sequence of characters that defines a search pattern. Regex is used for pattern matching, text validation, and string manipulation in nearly every programming language. Common uses include email validation, log parsing, and find-and-replace operations.