Pocket Regex

PolarPacific

Contains ads

About this app

Pocket Regex is the ultimate regex tool for developers, engineers, and anyone who works with text patterns. Write, test, and debug regular expressions in real time - no browser needed.

Regex Tester
• Live match highlighting as you type - see exactly what your pattern captures
• Color-coded matches with position info [start-end]
• Capture group breakdown - indexed and named groups
• Find & Replace mode with live preview and $1 group substitution
• Flag toggles: ignore case (i), multiline (m), dot-all (s), literal (x)
• Copy all matches or the replaced result to clipboard
• Save any pattern to your personal favourites

Regex Cheat Sheet - 65+ patterns
• Searchable library covering Email, URLs, Numbers, Dates, Validation, Code, Files, Security, and Advanced patterns
• Categories: Email & Comms · URLs & Web · Numbers · Date & Time · Validation · Programming · Files & Paths · Security · Advanced
• Tap "Test →" to load any pattern straight into the tester
• Expandable cards show description, live example, tags, and default flags

Favourites
• Save and name your own patterns — persisted across sessions
• Rename, delete, and reload saved patterns instantly

Whether you're validating emails, scraping logs, writing parsers, or just learning regex - Pocket Regex has you covered.