从C＃中的字符串中选择一个子字符串

Question

如何从C＃中最合理的字符串中选择一个子字符串，从空格到符号'＃'？ 例如：

"Jungle #welcome to the jungle"

结果：#welcome

Answer 1

string originalString = "Jungle #welcome to the Juncle";
string subString = originalString.Substring(originalString.IndexOf("#"));
subString = subString.Substring(0, subString.IndexOf(" "));

Answer 2

using System.Text.RegularExpressions;

Match m = Regex.Match("Jungle #welcome to the jungle", @"\s(#\w+?)\s");
Console.WriteLine(m.Captures[0].Value);
// #welcome