RegEX: Dev Tool

RegEX: Dev Tool is the ultimate on-device utility for anyone working with regular expressions—developers, DevOps engineers, data scientists, sysadmins or students. Live Regex Tester - Instant match highlighting as you type - Multi-line editor with numbered match indicators - Inline flag toggles (i, m, s, x, u) and descriptive tooltips - Error-safe compilation feedback for invalid patterns Pattern Library - Save custom patterns with names & tags - Quick search across names, patterns & tags - Import/export entire collections via JSON Comprehensive Reference Guide - Categorized sections (Anchors, Quantifiers, Groups, Classes…) - Real-world examples (email, IP, URL…) - “Try in Tester” one-tap loading of any token into the tester - Tag-based filtering and cross-category search Powerful Share & Export - Copy matches, full results or JSON test reports - Native iOS share sheet for text or file formats - Drag-and-drop and clipboard support (privacy compliant) Privacy-First Design - All data stored locally (no analytics, no network access)