`explore regex` for viewers

Launch a TUI to create and explore regular expressions interactively.

Signature

> explore regex {flags}

input	output
nothing	string
string	string

Explore a regular expression interactively

> explore regex

Explore a regular expression interactively with sample text

> open -r Cargo.toml | explore regex

Press Ctrl-Q to quit and provide constructed regular expression as the output. Supports AltGr key combinations for international keyboard layouts.