using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(?P<repository>[\w.\-_]+((?::\d+|)(?=/[a-z0-9._-]+/[a-z0-9._-]+))|)(?:/|)(?P<image>[a-z0-9.\-_]+(?:/[a-z0-9.\-_]+|))(:(?P<tag>[\w.\-_]{1,127})|)$";
string input = @"alpine
alpine:latest
_/alpine
_/alpine:latest
alpine:3.7
docker.example.com/gmr/alpine:3.7
docker.example.com:5000/gmr/alpine:latest
pse/anabroker:latest";
RegexOptions options = RegexOptions.Multiline | RegexOptions.IgnoreCase;
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