regex-tui

Name: regex-tui
Author: Vítor Mariano

A terminal user interface (TUI) application for testing and visualizing regular expressions in real-time.

✓ verified★ 370MITv0.8.0Go Development Tools

INSTALLATION

$ go install github.com/vitor-mariano/regex-tui@latest

$ yay -S regex-tui

Features

Interactive regex editor with live validation
RE2 engine by default; regexp2 option with partial PCRE compatibility
Multi-line text input for testing
Visual highlighting of regex matches with alternating colors
Whitespace visualization: spaces (·) and line breaks (↵) are displayed as visible glyphs
Real-time feedback as you type the expression
Clean and intuitive terminal interface
Tab navigation between regex and text inputs
Options dialog for toggling global and case-insensitive flags

✓ Verified. regex-tui's README links back to this listing, so it's ranked first in the directory.