Ruby

Shugo Maeda wrote:

Regexp.last_match returns nil, if // is given to String#rindex:

The following patch seems to fix it:

diff --git a/string.c b/string.c index 919a46d..b5aae67 100644 --- a/string.c +++ b/string.c @@ -3516,10 +3516,8 @@ rb_str_rindex_m(int argc, VALUE *argv, VALUE str)	pos = str_offset(RSTRING_PTR(str), RSTRING_END(str), pos, enc, single_byte_optimizable(str)); -	if (!RREGEXP_PTR(sub) || RREGEXP_SRC_LEN(sub)) { - pos = rb_reg_search(sub, str, pos, 1); - pos = rb_str_sublen(str, pos); -	} +	pos = rb_reg_search(sub, str, pos, 1); +	pos = rb_str_sublen(str, pos); 	if (pos >= 0) return LONG2NUM(pos);	break;