regex.h 11080 ext/ripper/ripper.c #include "ruby/regex.h"
regex.h 5331 ext/ripper/ripper.y #include "ruby/regex.h"
regex.h   25 include/ruby/re.h #include "ruby/regex.h"
regex.h 11004 parse.c        #include "ruby/regex.h"
regex.h 5331 parse.y        #include "ruby/regex.h"