using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(?:(MORE)|LESS) THAN CAD [\d,]+(?(1)(?: BUT LESS THAN CAD [\d,]+)?)$";
string input = @"MORE THAN CAD 10,000
MORE THAN CAD 10,000 BUT LESS THAN CAD 15,000
LESS THAN CAD 10,000
MORE THAN CAD 10,000LESS THAN CAD 15,000
LESS THAN CAD 10,000 BUT LESS THAN CAD 10,000";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
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