how to search

Question

Hi How to search 35.0.108.1111(last number be either two numbers or three or four numbers) in the text file using regex c#

Vulpes · Answer

Try this: using System; using System.IO; using System.Text.RegularExpressions; class Program { static void Main() { string text = File.ReadAllText(suhas.txt); string regExp = @\b\d{2}\.\d\.\d{3}\.\d{24}\b; MatchCollection mc = Regex.Matches(text regExp); foreach(Match m in mc) { Console.WriteLine(m.Value); } Console.ReadKey(); } }