mbclen2          1553 string.c       	    len = mbclen2(RSTRING(str)->ptr[END(0)], pat);
mbclen2          2527 string.c       		    rb_ary_push(result, rb_str_substr(str, beg, mbclen2(RSTRING(str)->ptr[beg],spat)));
mbclen2          2531 string.c       		    start += mbclen2(RSTRING(str)->ptr[start],spat);
mbclen2          2907 string.c       	    *start = END(0)+mbclen2(RSTRING(str)->ptr[END(0)],pat);