libfsm icon indicating copy to clipboard operation
libfsm copied to clipboard

Published 20 hours ago • verified publisher icon katef

Rewrite `(?:|xyz)` and `(?:xyz|)` to `(?:xyz)?`.

Open katef opened this issue 4 years ago • 0 comments

This helps a little for rendering out to more natural regexp syntax.

For example:

; ./build/bin/re -r pcre -bpl pcre '(?:a|)(?:|xyz)'
a?(?:xyz)?

katef avatar Sep 21 '20 05:09 katef