using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"[1-578]\d\d|(?:0\d[1-9]|0[1-9]\d)|(?:6\d[0-57-9]|6[0-57-9]\d)";
string input = @"I am supposed to exclude the numbers 000, 666, and all numbers between 900-999.
001
000
002
100
600
660
666
606
900
899
999
";
foreach (Match m in Regex.Matches(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