Subscribe to our newsletter:


iPhone / iPad
  • Utilities
  • Productivity
I want this app
Download from AppStore

Bringing pattern-matching joy to the masses, the long awaited update to Regexen has arrived. Now with more pixels than ever!

Become a master of regular expressions. With Regexen, you'll be able to visualize the matching behavior of a regular expression against the target text that you enter. Whether you are beginner or you're a seasoned expert, you'll find that Regexen will enable you to learn and experiment.


• Displays captured substrings in "Perl with capture" mode
• Supports POSIX and Perl-compatible regex rules
• Matching highlight(s) update as you type your regex or target
• Save up to 50 of your favorite regexen and targets
• Handy quick references give you easy access to a subset of the Perl-compatible and POSIX regex rules
• Share regex and target text using Mail