(ql:quickload :cl-string-generator) (use-package:cl-string-generator) (generate "[0-9A-F]{8}-(?:[0-9A-F]{4}-){3}[0-9A-F]{8}") ;; => "A64BE7F3-1041-6C90-D8EB-2A0F46A8" (generate "(foo|bar)\\1") ;; => "foofoo" (generate "a*b*":max-length3) ;; => "aab" (generate "a*b*":min-length3:max-length4) ;; => "aaab"