using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"[0-9]{1,3}[\s]*?[_|.,:;][\s]*?[0-9]{1,3}[\s]*?[_|.,:;][\s]*?[0-9]{1,3}[\s]*?[_|.,:;][\s]*?[0-9]{1,3}[\s]*?:[\s]*?[0-9]{3,6}";
string input = @"127 , 0 _ 0; 1 : 45345
zapraszamy na {1.2.3.1:4564}
ksk.sls.ss.ll:asas
121.121.12.11:4545
127 . 0 . 0 . 1 : 1234 asdasdsadafasdgdsfs sdfgsdfg
127 . 0 . 0. 1 : 45345 ksasdklasda ka sdk laksj dlkasj dlka sdlaksjd laksjd lkakjsdl ajksdl a
121.121.12.11:4545
127.0.0.1:1234
";
Match m = Regex.Match(input, pattern);
Console.WriteLine("'{0}' found at index {1}", m.Value, m.Index);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx