Use | to combine different case : Regular Expression « Development Class « C# / C Sharp

1. C# / C Sharp
2. Development Class
3. Regular Expression

Use | to combine different case

  

using System;
using System.Text.RegularExpressions;


class RXOptionsApp {
    static void Main(string[] args) {
        Regex r = new Regex("in|In|IN|iN");
        string s = "The KING Was In His Counting House";
        MatchCollection mc = r.Matches(s);
        for (int i = 0; i < mc.Count; i++) {
            Console.WriteLine("Found '{0}' at position {1}",mc[i].Value, mc[i].Index);
        }
    }
}

   
  

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