using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(?<modifiers>\/(?<crop>\d+x\d+:\d+x\d+)?\/?(?<resize>(?<flipx>\-)?(?<width>\d+)x(?<flipy>\-)?(?<height>\d+))?\/?(?<filters>filters\:([^,\/]+,)*(?:format\((?<format>\w+)\))?[^\/]*\/?)?)?(?<id>\/f\/.+)$
";
string input = @"/100x100:450x350/200x200/filters:grayscale()/f/39898/1000x600/d962430746/demo-image-human.jpeg
/600x130/f/39898/2250x1500/c15735a73c/demo-image-human.jpeg
/-230x230/filters:rotate(90)/f/39898/1000x600/d962430746/demo-image-human.jpeg
/f/39898/3310x2192/e4ec08624e/demo-image.jpeg
/200x0/filters:format(png)/f/39898/3310x2192/e4ec08624e/demo-image.jpeg
/f/39898/3310x2192/e4ec08624e/demo-image.jpeg
/200x0/filters:something(),format(png)/f/39898/3310x2192/e4ec08624e/demo-image.jpeg
";
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