字符串截取的问题 急急 立马结贴

Question

有一字符串 str="33830,33831,33832,33833,33834,33835,33836,33837,33838,33839,33840,33841,33842,33843,33844,33845,33846,33847,33848,33849,33850,33851,33852,33853,33854,33855，151247";
把他们分组，长度不定
结果：
33830,33831,33832,33833,33834,33835
33836,33837,33838,33839,33840,33841
33842,33843,33844,33845,33846,33847
33848,33849,33850,33851,33852,33853
33854,33855，151247

Answer 1

你能用 split(',') 分组当然好了 但是 这样分出来的怕是有27项  而不是上面举列的5项了

Answer 2

            string str = "33830,33831,33832,33833,33834,33835,33836,33837,33838,33839,33840,33841,33842,33843,33844,33845,33846,33847,33848,33849,33850,33851,33852,33853,33854,33855,151247";
            string[] result = Regex.Split(str, @"(?<=\G(?:\d+,){5})");
            foreach (string s in result)
                Console.WriteLine(s);

Answer 3

string str = "33830,33831,33832,33833,33834,33835,33836,33837,33838,33839,33840,33841,33842,33843,33844,33845,33846,33847,33848,33849,33850,33851,33852,33853,33854,33855，151247";
            Regex reg = new Regex(@"(?is)\d+([，,]\d+){0,5}");
            MatchCollection mc = reg.Matches(str);
            foreach (Match m in mc)
            {                Console.WriteLine(m.Value);
            }33830,33831,33832,33833,33834,33835
33836,33837,33838,33839,33840,33841
33842,33843,33844,33845,33846,33847
33848,33849,33850,33851,33852,33853
33854,33855，151247

Answer 4

str=".........."
string[] strArray =s.split(',');
然后根据所需长度 判断一下可不可以