using System;
using System.Text.RegularExpressions;
using System.Collections.Specialized;
class Program
{
static void Main() {
string s1 = @"Jane"" ""Tarzan12"" Tarzan11@Tarzan22 {4 Tarzan34}";
var myRegex = new Regex(@"{[^}]+}|""Tarzan\d+""|(Tarzan\d+)");
var group1Caps = new StringCollection();
Match matchResult = myRegex.Match(s1);
// put Group 1 captures in a list
while (matchResult.Success) {
 if (matchResult.Groups[1].Value != "") {
 group1Caps.Add(matchResult.Groups[1].Value);
 }
 matchResult = matchResult.NextMatch();
}
///////// The six main tasks we're likely to have ////////
// Task 1: Is there a match?
Console.WriteLine("*** Is there a Match? ***");
if(group1Caps.Count>0) Console.WriteLine("Yes");
else Console.WriteLine("No");
// Task 2: How many matches are there?
Console.WriteLine("\n" + "*** Number of Matches ***");
Console.WriteLine(group1Caps.Count);
// Task 3: What is the first match?
Console.WriteLine("\n" + "*** First Match ***");
if(group1Caps.Count>0) Console.WriteLine(group1Caps[0]);
// Task 4: What are all the matches?
Console.WriteLine("\n" + "*** Matches ***");
if (group1Caps.Count > 0) {
 foreach (string match in group1Caps) Console.WriteLine(match);
 }
// Task 5: Replace the matches
string replaced = myRegex.Replace(s1, delegate(Match m) {
 // m.Value is the same as m.Groups[0].Value
 if (m.Groups[1].Value == "") return m.Value;
 else return "Superman";
 });
Console.WriteLine("\n" + "*** Replacements ***");
Console.WriteLine(replaced);
// Task 6: Split
// Start by replacing by something distinctive,
// as in Step 5. Then split.
string[] splits = Regex.Split(replaced,"Superman");
Console.WriteLine("\n" + "*** Splits ***");
foreach (string split in splits) Console.WriteLine(split);
Console.WriteLine("\nPress Any Key to Exit.");
Console.ReadKey();
} // END Main
} // END Program

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comments (?)

*** Is there a Match? ***
Yes
*** Number of Matches ***
2
*** First Match ***
Tarzan11
*** Matches ***
Tarzan11
Tarzan22
*** Replacements ***
Jane" "Tarzan12" Superman@Superman {4 Tarzan34}
*** Splits ***
Jane" "Tarzan12" 
@
 {4 Tarzan34}
Press Any Key to Exit.

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