using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(.*()\n*)(\s{2})([a-zA_Z0-9]*)(\s{3})(.*)\n(#)([a-zA_Z0-9]*)(#)(\s{1})(.*\s*)()";
string substitution = @"$1$2$7$4$7$10$6\n$3$8$5$11";
string input = @" 1 OPTION 1
2 OPTION 2
3 OPTION 3
4 OPTION 4
5 OPTION 5
6 OPTION 6
7 OPTION 7
8 OPTION 8
9 OPTION 9
10 OPTION 10
100 OPTION 100
#1000# OPTION 1000";
RegexOptions options = RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
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