ref: c1d212afb2854639aae86b9a44650f0769d0b90c
dir: /libregex/test/bld.sub/
test basic = basic.myr testmatch.myr;; test boundaries = boundaries.myr testmatch.myr;; test capture = capture.myr testmatch.myr;; test class = class.myr testmatch.myr;; test failmatch = failmatch.myr testmatch.myr;; test negclass = negclass.myr testmatch.myr;; test unicode = unicode.myr testmatch.myr;;