Regular expressions you can read: A new visual syntax (and UI)
Olli Savolai

Nice ideas. Are you aware of Olin Shivers’ “SRE regular-expression notation” from 1998?

Shivers proposes (in the context of Scheme) an S-expression notation for regular expressions. The increased layout flexibility of S-expressions goes some way toward the benefits of the graphical syntax you propose here.

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