rb_reg_compile   7877 compile.c          VALUE reg = rb_reg_compile(srcstr, (int)regexp->option, NULL, 0);
rb_reg_compile   16394 ext/ripper/ripper.c     return rb_reg_compile(str, options & RE_OPTION_MASK, ruby_sourcefile, ruby_sourceline);
rb_reg_compile   10645 ext/ripper/ripper.y     return rb_reg_compile(str, options & RE_OPTION_MASK, ruby_sourcefile, ruby_sourceline);
rb_reg_compile   1305 internal.h     VALUE rb_reg_compile(VALUE str, int options, const char *sourcefile, int sourceline);
rb_reg_compile   16318 parse.c            return rb_reg_compile(str, options & RE_OPTION_MASK, ruby_sourcefile, ruby_sourceline);
rb_reg_compile   10645 parse.y            return rb_reg_compile(str, options & RE_OPTION_MASK, ruby_sourcefile, ruby_sourceline);