a8s Regex

Create, test and refine regular expressions on Mac, iPhone, iPad and Apple Vision Pro. a8s Regex highlights matches in your text and helps you understand each result. TEST AND EXPLORE • Highlighted matches and detailed capture groups. • Replacement previews using $1, $2 and subsequent groups. • Examples for extracting email addresses, parsing logs and reformatting dates. • Up to 50 positive or negative test cases, saved with your pattern. KEEP YOUR WORK Save patterns to history, mark favorites and return to your last session. Export results as JSON or CSV. History stays on each device, with no automatic synchronization. A PRECISE ENGINE The app uses NSRegularExpression, Foundation’s ICU engine. Its syntax may differ from JavaScript, PCRE or Python. Positions use UTF-16 units. ON YOUR DEVICE Local processing, with no account, advertising or tracking. One-time purchase, no subscription.