Regex failing to match inner repeatable occurrences

Question

I\'m failing to match a nested capturing group multiple times, the result only gives me the last inner capture instead.

Input string: =F2=0B=E2some te

Answer 1

You just need to access the match.Groups[2].Captures collection.

See the regex demo

What you need is a CaptureCollection. See this Regex.Match reference:

Captures
Gets a collection of all the captures matched by the capturing group, in innermost-leftmost-first order (or innermost-rightmost-first order if the regular expression is modified with the RegexOptions.RightToLeft option). The collection may have zero or more items.(Inherited from Group.)

Here is a sample demo that outputs all the captures from Groups[2] CaptureCollection (F2, 0B, E2, C2, A3):

var pattern = "(=([0-9A-F]{2}))+";
var result = Regex.Matches("=F2=0B=E2some text =C2=A3", pattern)
          .Cast<Match>().Select(p => p.Groups[2].Captures)
          .ToList();
foreach (var coll in result)
   foreach (var v in coll)
        Console.WriteLine(v);