They have .zip files, I merely downloaded, extracted and re-packaged to tgz to be able to asdf-install it.
The standard regexp package is
cl-ppcre but this is used for lispbuilder-lexer and lispbuilder-clawk.This is my first post here, I didn't sign the package.
Categorized as a String Library.
ASDF-install package (obsolete) http://www.fammcdonald.net/media/files/lispbuilder-regex.tgz