Regex to NFA/DFA Visualizer

Enter Regex:

Supported: ab (concat), a|b (alt), a* (Kleene star), a+ (one+), a? (zero/one), () (grouping).
Basic char classes: [abc], [Gg] (treated as a|b|c or G|g).
Most other characters (including Unicode like 'ツ') are treated as literals.
Unsupported: Lookarounds, anchors, `\s`, `\d`, `{m,n}`, complex escapes within classes.