using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"R(\[-?[1-9][0-9]*\])C(\[-?[1-9][0-9]*\])|R(\[-?[1-9][0-9]*\])C|RC(\[-?[1-9][0-9]*\])";
string input = @"RC
RC[1]
RC[-1]
R[1]C
R[-1]C
R[1]C[1]
R[-1]C[1]
R[1]C[-1]
R[-1]C[-1]
R[0]C[1]
RC[0]
R[1]C[0]";
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