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Life & fun · April 7, 2014

RegExr 2.0

Online tool to learn, build, & test Regular Expressions

RegExr 2.0 launched on April 7, 2014 with 101 votes, #143 of 1,174 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 12 years on.

Visit regexr.com ↗RegExr 2.0 alternativestop 12% of April 2014

In plain words

RegExr 2.0 is an online tool for learning, building, and testing regular expressions. It features syntax highlighting, support for PHP/PCRE and JavaScript, contextual help, a cheat sheet, and reference materials. Users can create and edit tests, and access a searchable library of community-contributed patterns. The tool is designed for developers and anyone working with regex across different programming languages.

written from the facts on this page · October 2026

From the sources

Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.

Create new tests with the 'Add Test' button. Click a test to edit the name, type, &from regexr.com

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