IP段转换为 list
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | public static List< String > StringToIPList(string strIPs) { var reg1 = new Regex(@"(((2[0-4]\d)|(25[0-5])|([0-1]?\d{1,2}))\.?){4}(\-(((2[0-4]\d)|(25[0-5])|([0-1]?\d{1,2}))\.?){4})"); var reg2 = new Regex(@"^(((2[0-4]\d)|(25[0-5])|([0-1]?\d{1,2}))\.?){4}$"); if (string.IsNullOrEmpty(strIPs)) { return new List< string >(); } var ips = strIPs.Split(','); var ipList = new List< string >(); var tempList = new List< string >(); object a = null; foreach (var item in ips) { if (reg1.IsMatch(item)) { tempList.Add(item); } if (reg2.IsMatch(item)) { a = reg2.Matches(item); ipList.Add(item); } } var ipListList = new List< String >(); foreach (var item in tempList) { var tempIps = item.Split('-'); var tempResult = true; foreach (var regItem in tempIps) { tempResult &= reg2.IsMatch(regItem); } if (!tempResult) continue; var list = new List< List <int>>(); foreach (var loopItem in tempIps) { var nums = loopItem.Split('.'); if (nums.Length != 4) continue; var listPart = new List< int >(); foreach (var num in nums) { listPart.Add(int.Parse(num)); } list.Add(listPart); } if (list.Count > 2) continue; var listRealPartIps = new List< String >(); for (int i = 0; i < 4 ; i++) { var tempPartList = new List<String>(); if (list[0][i] > list[1][i]) continue; if (list[0][i] == list[1][i]) { if (i == 0) { tempPartList.Add(list[0][i].ToString()); } else { foreach (var leftNums in listRealPartIps) { tempPartList.Add(leftNums + "." + (list[0][i]).ToString()); } } } else { var ipCount = list[1][i] - list[0][i] + 1; for (int k = 0; k < ipCount; k++) { if (i == 0) { tempPartList.Add((list[0][i] + k).ToString()); } else { foreach (var leftNums in listRealPartIps) { tempPartList.Add(leftNums + "." + (list[0][i] + k).ToString()); } } } } listRealPartIps = tempPartList; } ipList.AddRange(listRealPartIps); } return ipList; } |