Parsing a string in c#. How to implement?

Question

C++ / C#

There is a string like "key"="value";"key1"="value1";"key2"="value2"
We have a key string, we need to find what is contained after the first "=" and before ";"
That is, knowing the key, you need to parse its value?

Answer 1

the simplest option is to parse it into a map and take the value by key. And so - regulars.

Answer 2

Do you happen to have json in there? Can you use his parse?

Answer 3

const string input = "\"key\"=\"value\";\"key1\"=\"value1\";\"key2\"=\"value2\"";

var result = Regex.Matches(input, @"\""(?<key>\w*)\""=\""(?<value>\w*)\""")
              .OfType<Match>()
              .ToDictionary(match => match.Groups["key"], match => match.Groups["value"]);

foreach (var pair in result) {
  Console.Write(pair.Key);
  Console.Write("=");
  Console.WriteLine(pair.Value);
}

Answer 4

string s = "\"key\"=\"value\";\"key1\"=\"value1\";\"key2\"=\"value2\"";
var dict = s.Split(';').Select(n => n.Split('=')).ToDictionary(v => v[0].Trim('\"'), v => v[1].Trim('\"'));