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Project history

regex101 has evolved through six interface generations. This gallery shows the editor's design over time.

Generation 1​

regex101, generation 1.
regex101 generation 1 interface

Generation 2​

regex101, generation 2.
regex101 generation 2 interface

Generation 3​

regex101, generation 3.
regex101 generation 3 interface

Generation 4​

regex101, generation 4.
regex101 generation 4 interface

Generation 5​

regex101, generation 5.
regex101 generation 5 interface

Generation 6​

Generation 6, the current regex101 interface.
regex101 generation 6 with workspace navigation, the regex editor, explanation, and match information.

The current editor includes multiple test strings, substitution pipelines, and a PCRE2 execution debugger.