using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^[A-Za-z].*\R\K[0-9](?=\R0$)";
string substitution = @"\n";
string input = @"ABC
5
0
gdfgdfg
-----------
GHN
0
ffffffff
fffff
ffff
trte
-------------
H
1
0
----------------";
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