//カッコで囲まれた文字を抽出する
string target = "4984988946484986486 (452E3D09047C8276)";
string pattern = @"(\()(?<body>.+?)(\))";
string body = Regex.Match(target, pattern).Groups["body"].Value;
//結果：body="452E3D09047C8276"
//IPアドレスが該当しているか（122.10.*.*）[正規表現]
string target2 = "122.10.1.1";
string pattern2 = @"122\.10\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])";
bool result = false;
//結果：result=true;
//カンマ区切り文字列を配列にする
string stCsvData = "csv1,csv2,csv3";
string[] stArrayCsvData = stCsvData.Split(',');
//タブ区切り文字列を配列にする
string stTsvData = "tsv1 tsv2 tsv3";
string[] stArrayTsvData = stTsvData.Split('\t');
//期間の開始日と終了日を分けて表示する
string kikan = "2018/08/08 - 2020/07/09";
string[] kikanArrayData = kikan.Split('-');
Array.ForEach<string>(kikanArrayData, x => kikanArrayData[Array.IndexOf<string>(kikanArrayData, x)] = x.Trim());
More than 3 years have passed since last update.
Register as a new user and use Qiita more conveniently
- You get articles that match your needs
- You can efficiently read back useful information
- You can use dark theme