rb_reg_new        257 ext/date/date_parse.c     pat = rb_reg_new(source, len, opt);
rb_reg_new        581 ext/date/date_strptime.c 			pat = rb_reg_new(pat_source, sizeof pat_source - 1,
rb_reg_new        675 include/ruby/intern.h VALUE rb_reg_new(const char *, long, int);
rb_reg_new       1073 ruby.c         		rb_fs = rb_reg_new(s, strlen(s), 0);