((an)|(in)|(on)) : Regular Expression « Development Class « C# / C Sharp

((an)|(in)|(on))

  
using System;
using System.Text.RegularExpressions;

public class MainClass {
    public static void Main() {

        Regex p = new Regex("((an)|(in)|(on))");
        MatchCollection mn = p.Matches("King, Kong Kang");
        for (int i = 0; i < mn.Count; i++) {
            Console.WriteLine("Found '{0}' at position {1}",mn[i].Value, mn[i].Index);
        }

    }
}

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