using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^\s*(#|$).*$";
string input = @"# Configuration section config.
# How LVM configuration settings are handled.
config {
# Configuration option config/checks.
# If enabled, any LVM configuration mismatch is reported.
# This implies checking that the configuration key is understood by
# LVM and that the value of the key is the proper type. If disabled,
# any configuration mismatch is ignored and the default value is used
# without any warning (a message about the configuration key not being
# found is issued in verbose mode only).
checks = 1
# Configuration option config/abort_on_errors.
# Abort the LVM process if a configuration mismatch is found.
abort_on_errors = 0
# Configuration option config/profile_dir.
# Directory where LVM looks for configuration profiles.
profile_dir = ""/etc/lvm/profile""
}
";
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